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The causes of the Great Depression in the early 20th Century are a matter of active debate among economists, and are part of the larger debate about economic crises, although the popular belief is that the Great Depression was caused by the 1929 crash of the stock market. The specific economic events that took place during the Great Depression have been studied thoroughly: a deflation in asset and commodity prices, dramatic drops in demand and credit, and disruption of trade, ultimately resulting in widespread unemployment and hence poverty. However, historians lack consensus in determining the causal relationship between various events and the government economic policy in causing or ameliorating the Depression.
Current theories may be broadly classified into two main points of view and several heterodox points of view.
First, there are demand-driven theories, such as Keynesian economics and Institutional economists who argue that the recession was caused by underconsumption and over-investment (thereby causing an economic bubble). The consensus among demand-driven theories is that a large-scale loss of confidence led to a sudden reduction in consumption and investment spending. Once panic and deflation set in, many people believed they could avoid further losses by keeping clear of the markets. Holding money therefore became profitable as prices dropped lower and a given amount of money bought ever more goods, exacerbating the drop in demand.
Second, there are the monetarists, who believe that the Great Depression started as an ordinary recession, but that significant policy mistakes by monetary authorities (especially the Federal Reserve), caused a shrinking of the money supply which greatly exacerbated the economic situation, causing a recession to descend into the Great Depression. Related to this explanation are those who point to debt deflation causing those who borrow to owe ever more in real terms.
There are also various heterodox theories that reject the explanations of the Keynesians and monetarists. Some new classical macroeconomists have argued that various labor market policies imposed at the start caused the length and severity of the Great Depression. The Austrian school of economics focuses on the macroeconomic effects of money supply and how central banking decisions can lead to malinvestment. Marxian economists view the Great Depression, with all other economic crises, as a symptom of the classism and instability inherent in the capitalist model.
Economist John Maynard Keynes in 1936 argued that there are many reasons why the self-correcting mechanisms that many economists claimed should work during a downturn might not work. In his book The General Theory of Employment, Interest and Money, Keynes introduced concepts that were intended to help explain the Great Depression. One argument for a non-interventionist policy during a recession was that if consumption fell due to savings, the savings would cause the rate of interest to fall. According to the classical economists, lower interest rates would lead to increased investment spending and demand would remain constant.
However, Keynes argues that there are good reasons why investment does not necessarily increase in response to a fall in the interest rate. Businesses make investments based on expectations of profit. Therefore, if a fall in consumption appears to be long-term, businesses analyzing trends will lower expectations of future sales. Therefore, the last thing they are interested in doing is investing in increasing future production, even if lower interest rates make capital inexpensive. In that case, the economy can be thrown into a general slump due to a decline in consumption. According to Keynes, this self-reinforcing dynamic is what occurred to an extreme degree during the Depression, where bankruptcies were common and investment, which requires a degree of optimism, was very unlikely to occur. This view is often characterized by economists as being in opposition to Say's Law.
The idea that reduced capital investment was a cause of the depression is a central theme in Secular stagnation theory.
Keynes argued that if the national government spent more money to recover the money spent by consumers and business firms, unemployment rates would fall. The solution was for the Federal Reserve System to “create new money for the national government to borrow and spend” and to cut taxes rather than raising them, in order for consumers to spend more, and other beneficial factors. Hoover chose to do the opposite of what Keynes sought to be the solution and allowed the federal government to raise taxes exceedingly to reduce the budget shortage brought upon by the depression. Keynes proclaimed that more workers could be employed by decreasing interest rates, encouraging firms to borrow more money and make more products. Employment would prevent the government from having to spend any more money by increasing the amount at which consumers would spend. Keynes’ theory was then confirmed by the length of the Great Depression within the United States and the constant unemployment rate. Employment rates began to rise in preparation for World War II by increasing government spending. “In light of these developments, the Keynesian explanation of the Great Depression was increasingly accepted by economists, historians, and politicians”.
In their 1963 book A Monetary History of the United States, 1867–1960, Milton Friedman and Anna Schwartz laid out their case for a different explanation of the Great Depression. Essentially, the Great Depression, in their view, was caused by the fall of the money supply. Friedman and Schwartz write: "From the cyclical peak in August 1929 to a cyclical trough in March 1933, the stock of money fell by over a third." The result was what Friedman calls the "Great Contraction" — a period of falling income, prices, and employment caused by the choking effects of a restricted money supply. Friedman and Schwartz argue that people wanted to hold more money than the Federal Reserve was supplying. As a result people hoarded money by consuming less. This caused a contraction in employment and production since prices were not flexible enough to immediately fall. The Fed's failure was in not realizing what was happening and not taking corrective action.
After the Depression, the primary explanations of it tended to ignore the importance of the money supply. However, in the monetarist view, the Depression was “in fact a tragic testimonial to the importance of monetary forces.” In their view, the failure of the Federal Reserve to deal with the Depression was not a sign that monetary policy was impotent, but that the Federal Reserve implemented the wrong policies. They did not claim the Fed caused the depression, only that it failed to use policies that might have stopped a recession from turning into a depression.
During the post-Civil War period and continuing into the early 20th century, the US and Europe had generally adopted a government-mandated gold standard. The U.S. economy during this period went through a number of cycles of boom and bust. The depressions often seemed to be set off by bank panics, the most significant occurring in 1873, 1893, 1901, 1907, and 1920. Before the 1913 establishment of the Federal Reserve, the banking system had dealt with these crises in the U.S. (such as in the Panic of 1907) by suspending the convertibility of deposits into currency. Starting in 1893, there were growing efforts by financial institutions and business men to intervene during these crises, providing liquidity to banks that were suffering runs. During the banking panic of 1907, an ad-hoc coalition assembled by J. P. Morgan successfully intervened in this way, thereby cutting off the panic, which was likely the reason why the depression that would normally have followed a banking panic did not happen this time. A call by some for a government version of this solution resulted in the establishment of the Federal Reserve.
But in 1928–32, the Federal Reserve did not act to provide liquidity to banks suffering runs. In fact, its policy contributed to the banking crisis by permitting a sudden contraction of the money supply. During the Roaring Twenties, the central bank had set as its primary goal "price stability", in part because the governor of the New York Federal Reserve, Benjamin Strong, was a disciple of Irving Fisher, a tremendously popular economist who popularized stable prices as a monetary goal. It had kept the number of dollars at such an amount that prices of goods in society appeared stable. In 1928, Strong died, and with his death this policy ended, to be replaced with a real bills doctrine requiring that all currency or securities have material goods backing them. This policy permitted the US money supply to fall by over a third from 1929 to 1933.
When this money shortage caused runs on banks, the Fed maintained its true bills policy, refusing to lend money to the banks in the way that had cut short the 1907 panic, instead allowing each to suffer a catastrophic run and fail entirely. This policy resulted in a series of bank failures in which one-third of all banks vanished. According to Ben Bernanke, the subsequent credit crunches led to waves of bankruptcies. Friedman said that if a policy similar to 1907 had been followed during the banking panic at the end of 1930, perhaps this would have stopped the vicious circle of the forced liquidation of assets at depressed prices. Consequently, the banking panics of 1931, 1932, and 1933 might not have happened, just as suspension of convertibility in 1893 and 1907 had quickly ended the liquidity crises at the time.”
Monetarist explanations had been rejected in Samuelson's work Economics, writing "Today few economists regard Federal Reserve monetary policy as a panacea for controlling the business cycle. Purely monetary factors are considered to be as much symptoms as causes, albeit symptoms with aggravating effects that should not be completely neglected." According to Keynesian economist Paul Krugman, the work of Friedman and Schwartz became dominant among mainstream economists by the 1980s but should be reconsidered in light of Japan's Lost Decade of the 1990s. The role of monetary policy in financial crises is in active debate regarding the 2007–2012 global financial crisis; see Causes of the 2007–2012 global financial crisis.
Austrian economists argue that the Great Depression was the inevitable outcome of the monetary policies of the Federal Reserve during the 1920s. In their opinion, the central bank's policy was an "easy credit policy" which led to an unsustainable credit-driven boom. In the Austrian view, the inflation of the money supply during this period led to an unsustainable boom in both asset prices (stocks and bonds) and capital goods. By the time the Federal Reserve belatedly tightened monetary policy in 1928, it was too late to avoid a significant economic contraction. Austrians argue that government intervention after the crash of 1929 delayed the market’s adjustment and made the road to complete recovery more difficult.
Acceptance of the Austrian explanation of what primarily caused the Great Depression is compatible with either acceptance or denial of the Monetarist explanation. Austrian economist Murray Rothbard, who wrote America's Great Depression (1963), rejected the Monetarist explanation. He criticized Milton Friedman's assertion that the central bank failed to sufficiently increase the supply of money, claiming instead that the Federal Reserve did pursue an inflationary policy when, in 1932, it purchased $1.1 billion of government securities, which raised its total holding to $1.8 billion. Rothbard says that despite the central bank's policies, "total bank reserves only rose by $212 million, while the total money supply fell by $3 billion". The reason for this, he argues, is that the American populace lost faith in the banking system and began hoarding more cash, a factor very much beyond the control of the Central Bank. The potential for a run on the banks caused local bankers to be more conservative in lending out their reserves, which, according to Rothbard's argument, was the cause of the Federal Reserve's inability to inflate.
Friedrich Hayek, another prominent Austrian economist, disagreed with Rothbard's criticism of the Monetarist explanation. In 1975, Hayek admitted that he made a mistake in the 1930s in not opposing the Central Bank's deflationary policy and stated the reason why he had been ambivalent: "At that time I believed that a process of deflation of some short duration might break the rigidity of wages which I thought was incompatible with a functioning economy. In 1978, he made it clear that he agreed with the point of view of the Monetarists, saying, "I agree with Milton Friedman that once the Crash had occurred, the Federal Reserve System pursued a silly deflationary policy", and that he was as opposed to deflation as he was to inflation. Concordantly, economist Lawrence White argues that the business cycle theory of Hayek is inconsistent with a monetary policy which permits a severe contraction of the money supply.
Total debt to GDP levels in the U.S. reached a high of just under 300% by the time of the Depression. This level of debt was not exceeded again until near the end of the 20th century.
Jerome (1934) gives an unattributed quote about finance conditions that allowed the great industrial expansion of the post WW I period:
Probably never before in this country had such a volume of funds been available at such low rates for such a long period.
Furthermore, Jerome says that the volume of new capital issues increased at a 7.7% compounded annual rate from 1922–29 at a time when the Standard Statistics Co.'s index of 60 high grade bonds yielded from 4.98% in 1923 to 4.47% in 1927.
There was also a real estate and housing bubble in the 1920s, especially in Florida, which burst in 1925. Alvin Hansen stated that housing construction during the 1920s decade exceeded population growth by 25%. See also:Florida land boom of the 1920s
Irving Fisher argued that the predominant factor leading to the Great Depression was over-indebtedness and deflation. Fisher tied loose credit to over-indebtedness, which fueled speculation and asset bubbles. He then outlined nine factors interacting with one another under conditions of debt and deflation to create the mechanics of boom to bust. The chain of events proceeded as follows:
During the Crash of 1929 preceding the Great Depression, margin requirements were only 10%. Brokerage firms, in other words, would lend $90 for every $10 an investor had deposited. When the market fell, brokers called in these loans, which could not be paid back. Banks began to fail as debtors defaulted on debt and depositors attempted to withdraw their deposits en masse, triggering multiple bank runs. Government guarantees and Federal Reserve banking regulations to prevent such panics were ineffective or not used. Bank failures led to the loss of billions of dollars in assets.
Outstanding debts became heavier, because prices and incomes fell by 20–50% but the debts remained at the same dollar amount. After the panic of 1929, and during the first 10 months of 1930, 744 US banks failed. (In all, 9,000 banks failed during the 1930s). By April 1933, around $7 billion in deposits had been frozen in failed banks or those left unlicensed after the March Bank Holiday.
Bank failures snowballed as desperate bankers called in loans, which the borrowers did not have time or money to repay. With future profits looking poor, capital investment and construction slowed or completely ceased. In the face of bad loans and worsening future prospects, the surviving banks became even more conservative in their lending. Banks built up their capital reserves and made fewer loans, which intensified deflationary pressures. A vicious cycle developed and the downward spiral accelerated.
The liquidation of debt could not keep up with the fall of prices it caused. The mass effect of the stampede to liquidate increased the value of each dollar owed, relative to the value of declining asset holdings. The very effort of individuals to lessen their burden of debt effectively increased it. Paradoxically, the more the debtors paid, the more they owed. This self-aggravating process turned a 1930 recession into a 1933 great depression.
Economist Steve Keen revived the Debt-Reset Theory after he accurately predicted the 2008 recession based on his analysis of the Great Depression, and recently[when?] advised Congress to engage in debt-forgiveness or direct payments to citizens in order to avoid future financial events.
In addition to the debt deflation there was a component of productivity deflation that had been occurring since the The Great Deflation of the last quarter of the 19th century. There may have also been a continuation of the correction to the sharp inflation caused by WW I.
Oil prices reached their all time low in the early 1930s as production began from the East Texas Oil Field, the largest field ever found in the lower 48 states. With the oil market oversupplied prices locally fell to below ten cents per barrel. See: Causes of the Great Depression#Productivity shock
The first three decades of the 20th century saw capital investment and economic output surge with electrification, mass production and the increasing motorization of transportation and farm machinery. The resultant rapid growth in productivity meant there was a lot of excess production capacity, with falling prices and numerous manufacturing plant closures. As a consequence, the work week fell slightly in the decade prior to the depression. The depression led to additional large numbers of plant closings.
It cannot be emphasized too strongly that the [productivity, output and employment] trends we are describing are long-time trends and were thoroughly evident prior to 1929. These trends are in nowise the result of the present depression, nor are they the result of the World War. On the contrary, the present depression is a collapse resulting from these long-term trends. — M. King Hubbert
In the book Mechanization in Industry, whose publication was sponsored by the National Bureau of Economic Research, Jerome (1934) noted that whether mechanization tends to increase output or displace labor depends on the elasticity of demand for the product. In addition, reduced costs of production were not always passed on to consumers. It was further noted that agriculture was adversely affected by the reduced need for animal feed as horses and mules were displaced by inanimate sources of power following WW I. As a related point, Jerome also notes that the term "technological unemployment" was being used to describe the labor situation during the depression.
Some portion of the increased unemployment which characterized the post-War years in the United States may be attributed to the mechanization of industries producing commodities of inelastic demand. — Fredrick C. Wells, 1934
Sometime after the peak of the business cycle in 1923, more workers were displaced by productivity improvements than growth in the employment market could meet, thereby causing unemployment to slowly rise after 1925.
The dramatic rise in productivity of major industries in the U. S. and the effects of productivity on output, wages and the work week are discussed by a Brookings Institution sponsored book.
Corporations decided to lay off workers and reduced the amount of raw materials they purchased to manufacture their products. This decision was made to cut the production of goods because of the amount of products that were not being sold.
Joseph Stiglitz and Bruce Greenwald suggested that it was a productivity-shock in agriculture, through fertilizers, mechanization and improved seed, that caused the drop in agricultural product prices. Farmers were forced off the land, further adding to the excess labor supply.
The prices of agricultural products began to decline after WW I and eventually many farmers were forced out of business, causing the failure of hundreds of small rural banks. Agricultural productivity resulting from tractors, fertilizers and hybrid corn was only part of the problem; the other problem was the change over from horses and mules to internal combustion transportation. The horse and mule population began declining after WW 1, freeing up enormous quantities of land previously used for animal feed.
The rise of the internal combustion engine and increasing numbers of motorcars and buses also halted the growth of electric street railways.
Economists such as Waddill Catchings, William Trufant Foster, Rexford Tugwell, Adolph Berle (and later John Kenneth Galbraith), popularized a theory that had some influence on Franklin D. Roosevelt. This theory held that the economy produced more goods than consumers could purchase, because the consumers did not have enough income. According to this view, in the 1920s wages had increased at a lower rate than productivity. Most of the benefit of the increased productivity went into profits, which went into the stock market bubble rather than into consumer purchases. Thus the unequal distribution of wealth throughout the 1920s caused the Great Depression.
According to this view, the root cause of the Great Depression was a global overinvestment while the level of wages and earnings from independent businesses fell short of creating enough purchasing power. It was argued that government should intervene by an increased taxation of the rich to help make income more equal. With the increased revenue the government could create public works to increase employment and ‘kick start’ the economy. In the USA the economic policies had been quite the opposite until 1932. The Revenue Act of 1932 and public works programmes introduced in Hoover's last year as president and taken up by Roosevelt, created some redistribution of purchasing power.
The stock market crash made it evident that banking systems Americans were relying on were not dependable. Americans looked towards insubstantial banking units for their own liquidity supply. As the economy began to fail, these banks were no longer able to support those who depended on their assets – they did not hold as much power as the larger banks. During the depression, “three waves of bank failures shook the economy.” The first wave came just when the economy was heading in the direction of recovery at the end of 1930 and the beginning of 1931. The second wave of bank failures occurred “after the Federal Reserve System raised the rediscount rate to staunch an outflow of gold” around the end of 1931. The last wave, which began in the middle of 1932, was the worst and most devastating, continuing “almost to the point of a total breakdown of the banking system in the winter of 1932–1933” The reserve banks led the United States into an even deeper depression between 1931 and 1933, due to their failure to appreciate and put to use the powers they withheld – capable of creating money – as well as the “inappropriate monetary policies pursued by them during these years”.
According to the gold standard theory of the Depression, the Depression was largely caused by the decision of most western nations after World War I to return to the gold standard at the pre-war gold price. Monetary policy, according to this view, was thereby put into a deflationary setting that would over the next decade slowly grind away away at the health of many European economies.
This post-war policy was preceded by an inflationary policy during World War I, when many European nations abandoned the gold standard, forced by the enormous costs of the war. This resulted in inflation because the supply of new money that was created was spent on war, not on investments in productivity to increase demand that would have neutralized inflation. The view is that the quantity of new money introduced largely determines the inflation rate, and therefore, the cure to inflation is to reduce the amount of new currency created for purposes that are destructive or wasteful, and do not lead to economic growth.
After the war, when America and the nations of Europe went back on the gold standard, most nations decided to return to the gold standard at the pre-war price. When Britain, for example, passed the Gold Standard Act of 1925, thereby returning Britain to the gold standard, the critical decision was made to set the new price of the Pound Sterling at parity with the pre-war price even though the pound was then trading on the foreign exchange market at a much lower price. At the time, this action was criticized by John Maynard Keynes and others, who argued that in so doing, they were forcing a revaluation of wages without any tendency to equilibrium. Keynes' criticism of Winston Churchill's form of the return to the gold standard implicitly compared it to the consequences of the Versailles Treaty.
One of the reasons for setting the currencies at parity with the pre-war price was the prevailing opinion at that time that deflation was not a danger, while inflation, particularly the inflation in the Weimar Republic, was an unbearable danger. Another reason was that those who had loaned in nominal amounts hoped to recover the same value in gold that they had lent. Because of the reparations that Germany had to pay France, Germany began a credit-fueled period of growth in order to export and sell enough goods abroad to gain gold to pay the reparations. The U.S., as the world's gold sink, loaned money to Germany to industrialize, which was then the basis for Germany paying back France, and France paying back loans to the U.K. and the U.S. This arrangement was codified in the Dawes Plan.
In some cases, deflation can be hard on sectors of the economy such as agriculture, if they are deeply in debt at high interest rates and are unable to refinance, or that are dependent upon loans to finance capital goods when low interest rates are not available. Deflation erodes the price of commodities while increasing the real liability of debt. Deflation is beneficial to those with assets in cash, and to those who wish to invest or purchase assets or loan money.
More recent research, by economists such as Peter Temin, Ben Bernanke and Barry Eichengreen, has focused on the constraints policy makers were under at the time of the Depression. In this view, the constraints of the inter-war gold standard magnified the initial economic shock and were a significant obstacle to any actions that would ameliorate the growing Depression. According to them, the initial destabilizing shock may have originated with the Wall Street Crash of 1929 in the U.S., but it was the gold standard system that transmitted the problem to the rest of the world.
According to their conclusions, during a time of crisis, policy makers may have wanted to loosen monetary and fiscal policy, but such action would threaten the countries’ ability to maintain their obligation to exchange gold at its contractual rate. The gold standard required countries to maintain high interest rates to attract international investors who bought foreign assets with gold. Therefore, governments had their hands tied as the economies collapsed, unless they abandoned their currency’s link to gold. Fixing the exchange rate of all countries on the gold standard ensured that the market for foreign exchange can only equilibrate through interest rates. As the Depression worsened, many countries started to abandon the gold standard, and those that abandoned it earlier suffered less from deflation and tended to recover more quickly.
Richard Timberlake, economist of the free banking school and protégé of Milton Friedman, specifically addressed this stance in his paper Gold Standards and the Real Bills Doctrine in U.S. Monetary Policy, wherein he argued that the Federal Reserve actually had plenty of lee-way under the gold standard, as had been demonstrated by the price stability policy of New York Fed governor Benjamin Strong, between 1923 and 1928. But when Strong died in late 1928, the faction that took over dominance of the Fed advocated a real bills doctrine, where all money had to be represented by physical goods. This policy, forcing a 30% deflation of the dollar that inevitably damaged the US economy, is stated by Timberlake as being arbitrary and avoidable, the existing gold standard having been capable of continuing without it:
Economic historians (especially Friedman and Schwartz) emphasize the importance of numerous bank failures. The failures were mostly in rural America. Structural weaknesses in the rural economy made local banks highly vulnerable. Farmers, already deeply in debt, saw farm prices plummet in the late 1920s and their implicit real interest rates on loans skyrocket.
Their land was already over-mortgaged (as a result of the 1919 bubble in land prices), and crop prices were too low to allow them to pay off what they owed. Small banks, especially those tied to the agricultural economy, were in constant crisis in the 1920s with their customers defaulting on loans because of the sudden rise in real interest rates; there was a steady stream of failures among these smaller banks throughout the decade.
The city banks also suffered from structural weaknesses that made them vulnerable to a shock. Some of the nation's largest banks were failing to maintain adequate reserves and were investing heavily in the stock market or making risky loans. Loans to Germany and Latin America by New York City banks were especially risky. In other words, the banking system was not well prepared to absorb the shock of a major recession.
Economists and historians debate how much responsibility to assign the Wall Street Crash of 1929. The timing was right; the magnitude of the shock to expectations of future prosperity was high. Most analysts believe the market in 1928–29 was a "bubble" with prices far higher than justified by fundamentals. Economists agree that somehow it shared some blame, but how much no one has estimated. Milton Friedman concluded, "I don't doubt for a moment that the collapse of the stock market in 1929 played a role in the initial recession".
The idea of owning government bonds initially became ideal to investors when Liberty Loan drives encouraged this possession in America during World War I. This strive for dominion persisted into the 1920s. After World War I, the United States became the world’s creditor and was depended upon by many foreign nations. “Governments from around the globe looked to Wall Street for loans”. Investors then started to depend on these loans for further investments. Chief counsel of the Senate Bank Committee, Ferdinand Pecora, disclosed that National City executives were also dependent on loans from a special bank fund as a safety net for their stock losses while American banker, Albert Wiggin, “made millions selling short his own bank shares”.
Economist David Hume stated that the economy became imbalanced as the recession spread on an international scale. The cost of goods remained too high for too long during a time where there was less international trade. Policies set in selected countries to “maintain the value of their currency” resulted in an outcome of bank failures. Governments that continued to follow the gold standard were led into bank failure, meaning that it was the governments and central bankers that contributed as a stepping stool into the depression.
The debate has three sides: one group says the crash caused the depression by drastically lowering expectations about the future and by removing large sums of investment capital; a second group says the economy was slipping since summer 1929 and the crash ratified it; the third group says that in either scenario the crash could not have caused more than a recession. There was a brief recovery in the market into April 1930, but prices then started falling steadily again from there, not reaching a final bottom until July 1932. This was the largest long-term U.S. market decline by any measure. To move from a recession in 1930 to a deep depression in 1931–32, entirely different factors had to be in play.
Protectionism, such as the Smoot–Hawley Tariff Act, is often indicted as a cause of the Great Depression, with countries enacting protectionist policies yielding a beggar-thy-neighbor result. The Smoot–Hawley Tariff Act was especially harmful to agriculture because it caused farmers to default on their loans. This event may have worsened or even caused the ensuing bank runs in the Midwest and West that caused the collapse of the banking system. A petition signed by over 1,000 economists was presented to the U.S. government warning that the Smoot-Hawley Tariff Act would bring disastrous economic repercussions; however, this did not stop the act from being signed into law.
Governments around the world took various steps into spending less money on foreign goods such as: “imposing tariffs, import quotas, and exchange controls” (Eichengreen, B.). These restrictions formed a lot of tension between trade nations, causing a major deduction during the depression. Not all countries enforced the same measures of protectionism. Some countries raised tariffs drastically and enforced severe restrictions on foreign exchange transactions, while other countries condensed “trade and exchange restrictions only marginally”.
“Countries that remained on the gold standard, keeping currencies fixed, were more likely to restrict foreign trade.” These countries became more competitive and “resorted to protectionist policies to strengthen the balance of payments and limit gold losses.” They hoped that these restrictions and depletions would lead them towards economic recovery. On the other hand, countries that chose to alleviate the gold standard, allowing fluidity in their currencies, experienced economic recovery and “benefited from gold inflows”.
There were three options left that could lead economies back to recovery. These options were: “wage and price deflation to restore external and internal balance at the current gold parity; trade and payments restrictions to limit spending on imports and reduce gold outflows; or abandoning the gold standard and allowing the exchange rate to depreciate”.
Some economists argue that protectionism was not a cause but a reaction to the depression, with protectionism policies being adopted by countries holding to the gold standard rather than having floating exchange rates: countries on the gold standard could not cut interest rates or act as lender of last resort because they would run out of gold, while countries off the gold standard could cut interest rates and print fiat money. In this interpretation, protectionism served to change the terms of trade for countries whose monetary policy was constrained by the gold standard.
When the war came to an end in 1918, all European nations that had been allied with the U.S. owed large sums of money to American banks, sums much too large to be repaid out of their shattered treasuries. This is one reason why the Allies had insisted (to the consternation of Woodrow Wilson) on demanding reparation payments from Germany and Austria–Hungary. Reparations, they believed, would provide them with a way to pay off their own debts. However, Germany and Austria-Hungary were themselves in deep economic trouble after the war; they were no more able to pay the reparations than the Allies were able to pay their debts.
The debtor nations put strong pressure on the U.S. in the 1920s to forgive the debts, or at least reduce them. The American government refused. Instead, U.S. banks began making large loans to the nations of Europe. Thus, debts (and reparations) were being paid only by augmenting old debts and piling up new ones. In the late 1920s, and particularly after the American economy began to weaken after 1929, the European nations found it much more difficult to borrow money from the U.S. At the same time, high U.S. tariffs were making it much more difficult for them to sell their goods in U.S. markets. Without any source of revenue from foreign exchange to repay their loans, they began to default.
Beginning late in the 1920s, European demand for U.S. goods began to decline. That was partly because European industry and agriculture were becoming more productive, and partly because some European nations (most notably Weimar Germany) were suffering serious financial crises and could not afford to buy goods overseas. However, the central issue causing the destabilization of the European economy in the late 1920s was the international debt structure that had emerged in the aftermath of World War I.
The high tariff walls such as the Smoot–Hawley Tariff Act critically impeded the payment of war debts. As a result of high U.S. tariffs, only a sort of cycle kept the reparations and war-debt payments going. During the 1920s, the former allies paid the war-debt installments to the U.S. chiefly with funds obtained from German reparations payments, and Germany was able to make those payments only because of large private loans from the U.S. and Britain. Similarly, U.S. investments abroad provided the dollars, which alone made it possible for foreign nations to buy U.S. exports.
The Smoot-Hawley Tariff Act was instituted by Senator Reed and Representative Willis C. Hawley, and signed into law by President Hoover, to raise taxes on American imports by about 20 percent during June 1930. This tax, which aided towards the exceedingly damaged American income and overproduction, was only beneficial towards the Americans in having to spend less on foreign goods. In contrast, European trading nations frowned upon this tax increase, particularly since the “United States was an international creditor and exports to the U.S. market were already declining”. In response to the Smoot-Hawley Tariff Act, some of America’s primary producers and largest trading partner, Canada, chose to seek retribution by increasing the financial value of imported goods favoured by the Americans.
In the scramble for liquidity that followed the 1929 stock market crash, funds flowed back from Europe to America, and Europe's fragile economies crumbled.
By 1931, the world was reeling from the worst depression of recent memory, and the entire structure of reparations and war debts collapsed.
In 1939, prominent economist Alvin Hansen discussed the decline in population growth in relation to the Depression. The same idea was discussed in a 1978 journal article by Clarence Barber, an economist at the University of Manitoba. Using "a form of the Harrod model" to analyze the Depression, Barber states:
In such a model, one would look for the origins of a serious depression in conditions which produced a decline in Harrod's natural rate of growth, more specifically, in a decline in the rate of population and labour force growth and in the rate of growth of productivity or technical progress, to a level below the warranted rate of growth.
Barber says, while there is "no clear evidence" of a decline in "the rate of growth of productivity" during the 1920s, there is "clear evidence" the population growth rate began to decline during that same period. He argues the decline in population growth rate may have caused a decline in "the natural rate of growth" which was significant enough to cause a serious depression.
Barber says a decline in the population growth rate is likely to affect the demand for housing, and claims this is apparently what happened during the 1920s. He concludes:
the rapid and very large decline in the rate of growth of non-farm households was clearly the major reason for the decline that occurred in residential construction in the United States from 1926 on. And this decline, as Bolch and Pilgrim have claimed, may well have been the most important single factor in turning the 1929 downturn into a major depression.
The decline in housing construction that can be attributed to demographics has been estimated to range from 28% in 1933 to 38% in 1940.
Among the causes of the decline in the population growth rate during the 1920s were a declining birth rate after 1910 and reduced immigration. The decline in immigration was largely the result of legislation in the 1920s placing greater restrictions on immigration. In 1921, Congress passed the Emergency Quota Act, followed by the Immigration Act of 1924.
Factors that majorly contributed to the failing of the economy since 1925, was a decrease in both residential and non-residential buildings being constructed. It was the debt as a result of the war, less families being formed, and an imbalance of mortgage payments and loans in 1928–1929 that mainly contributed to the decline in the amount of houses being built. This caused the populate growth rate to decelerate. Though non-residential units continued to be built “at a high rate throughout the decade”, the demands for such units were actually very low
There is an ongoing debate between historians to what extent President Calvin Coolidge's laissez-faire hands-off attitude has contributed to the Great Depression. Despite a growing rate of bank failures he did not heed voices that predicted the lack of banking regulation as potentially dangerous. He did not listen to members of Congress warning that stock speculation had gone too far and he ignored criticisms that workers did not participate sufficiently in the prosperity of the Roaring Twenties.
From the point of view of today's mainstream schools of economic thought, government should strive to keep some broad nominal aggregate on a stable growth path (for proponents of new classical macroeconomics and monetarism, the measure is the nominal money supply; for Keynesian economists it is the nominal aggregate demand itself). During a depression the central bank should pour liquidity into the banking system and the government should cut taxes and accelerate spending in order to keep the nominal money stock and total nominal demand from collapsing.
The United States government and the Federal Reserve did not do that during the 1929‑32 slide into the Great Depression The existence of "liquidationism" played a key part in motivating public policy decisions not to fight the gathering Great Depression. An increasingly common view among economic historians is that the adherence of some Federal Reserve policymakers to the liquidationist thesis led to disastrous consequences. Regarding the policies of President Hoover, economists like Barry Eichengreen and J. Bradford DeLong point out that the Hoover administration’s fiscal policy was guided by liquidationist economists and policy makers, as Hoover tried to keep the federal budget balanced until 1932, when Hoover lost confidence in his Secretary of the Treasury Andrew Mellon and replaced him. Hoover wrote in his memoirs he did not side with the liquidationists, but took the side of those in his cabinet with "economic responsibility", his Secretary of Commerce Robert P. Lamont and Secretary of Agriculture Arthur M. Hyde, who advised the President to "use the powers of government to cushion the situation". But at the same time he kept Andrew Mellon as Secretary of the Treasury until February 1932. It was during 1932 that Hoover began to support more aggressive measures to combat the Depression. In his memoirs, President Hoover wrote bitterly about members of his Cabinet who had advised inaction during the downslide into the Great Depression:
The leave-it-alone liquidationists headed by Secretary of the Treasury Mellon ... felt that government must keep its hands off and let the slump liquidate itself. Mr. Mellon had only one formula: "Liquidate labor, liquidate stocks, liquidate the farmers, liquidate real estate ... It will purge the rottenness out of the system. High costs of living and high living will come down. People will work harder, live a more moral life. Values will be adjusted, and enterprising people will pick up the wrecks from less competent people."
Before the Keynesian Revolution, such a liquidationist theory was a common position for economists to take and was held and advanced by economists like Friedrich Hayek, Lionel Robbins Joseph Schumpeter, Seymour Harris and others. According to the liquidationists a depression is good medicine. The function of a depression is to liquidate failed investments and businesses that have been made obsolete by technological development in order to release factors of production (capital and labor) from unproductive uses. These can then be redeployed in other sectors of the technologically dynamic economy. They pointed to the short duration of the Depression of 1920–21 was due to the policy of letting the liquidation occur and argued that the crisis had laid the groundwork for the prosperity of the later 1920s. They pushed for deflationary policies (which were already executed in 1921) which – in their opinion – would assist the release of capital and labor from unproductive activities to lay the groundwork for a new economic boom. The liquidationists argued that even if self-adjustment of the economy took mass bankruptcies, then so be it. Postponing the liquidation process would only magnify the social costs. Schumpeter wrote that it
... leads us to believe that recovery is sound only if it does come of itself. For any revival which is merely due to artificial stimulus leaves part of the work of depressions undone and adds, to an undigested remnant of maladjustment, new maladjustment of its own which has to be liquidated in turn, thus threatening business with another (worse) crisis ahead.
Despite liquidationist expectations, a large proportion of the capital stock was not redeployed and vanished during the first years of the Great Depression. According to a study by Olivier Blanchard and Lawrence Summers, the recession caused a drop of net capital accumulation to pre-1924 levels by 1933.
Economists such as John Maynard Keynes and Milton Friedman suggested that the do-nothing policy prescription which resulted from the liquidationist theory contributed to deepening the Great Depression. With the rhetoric of ridicule Keynes tried to discredit the liquidationist view in presenting Hayek, Robbins and Schumpeter as
...austere and puritanical souls [who] regard [the Great Depression] ... as an inevitable and a desirable nemesis on so much "overexpansion" as they call it ... It would, they feel, be a victory for the mammon of unrighteousness if so much prosperity was not subsequently balanced by universal bankruptcy. We need, they say, what they politely call a 'prolonged liquidation' to put us right. The liquidation, they tell us, is not yet complete. But in time it will be. And when sufficient time has elapsed for the completion of the liquidation, all will be well with us again...
Milton Friedman stated that at the University of Chicago such “dangerous nonsense” was never taught and that he understood why at Harvard —where such nonsense was taught— bright young economists rejected their teachers' macroeconomics, and become Keynesians. He wrote:
I think the Austrian business-cycle theory has done the world a great deal of harm. If you go back to the 1930s, which is a key point, here you had the Austrians sitting in London, Hayek and Lionel Robbins, and saying you just have to let the bottom drop out of the world. You’ve just got to let it cure itself. You can’t do anything about it. You will only make it worse.… I think by encouraging that kind of do-nothing policy both in Britain and in the United States, they did harm.
Economist Lawrence White, while acknowledging that Hayek and Robbins did not actively oppose the deflationary policy of the early 1930s, nevertheless challenges the argument of Milton Friedman, J. Bradford DeLong et al. that Hayek was a proponent of liquidationism. White argues that the business cycle theory of Hayek and Robbins (which later developed into Austrian business cycle theory in its present-day form) was actually not consistent with a monetary policy which permitted a severe contraction of the money supply. Nevertheless, White says that at the time of the Great Depression Hayek "expressed ambivalence about the shrinking nomimal income and sharp deflation in 1929–32". In a talk in 1975, Hayek admitted the mistake he made over forty years earlier in not opposing the Central Bank's deflationary policy and stated the reason why he had been ambivalent: "At that time I believed that a process of deflation of some short duration might break the rigidity of wages which I thought was incompatible with a functioning economy." Three years later, Hayek strongly criticized the Fed's sudden contraction of money early in the Depression and its failure to offer banks liquidity:
I agree with Milton Friedman that once the Crash had occurred, the Federal Reserve System pursued a silly deflationary policy. I am not only against inflation but I am also against deflation. So, once again, a badly programmed monetary policy prolonged the depression.
Historians gave Hoover credit for working tirelessly to combat the depression and noted that he left government prematurely aged. But his policies are rated as simply not far-reaching enough to address the Great Depression. He was prepared to do something, but nowhere near enough. Hoover was no exponent of laissez-faire. But his principal philosophies were voluntarism, self-help, and rugged individualism. He refused direct federal intervention. He believed that government should do more than his immediate predecessors (Warren G. Harding, Calvin Coolidge) believed. But he was not willing to go as far as Franklin D. Roosevelt later did. Therefore he is described as the "first of the new presidents" and "the last of the old".
Hoovers first measures were based on voluntarism by businesses not to reduce their workforce or cut wages. But businesses had little choice and wages were reduced, workers were laid off, and investments postponed. Hoover urged bankers to set up the National Credit Corporation so that big banks could help failing banks survive. But bankers were reluctant to invest in failing banks, and the National Credit Corporation did almost nothing to address the problem. In 1932 Hoover reluctantly established the Reconstruction Finance Corporation, a Federal agency with the authority to lend up to $2 billion to rescue banks and restore confidence in financial institutions. But $2 billion was not enough to save all the banks, and bank runs and bank failures continued.
J. Bradford DeLong explained that Hoover would have been a budget cutter in normal times and continuously wanted to balance the budget. Hoover held the line against powerful political forces that sought to increase government spending after the Depression began for fully two and a half years. During the first two years of the Depression (1929 and 1930) Hoover actually achieved budget surpluses of about 0.8% of gross domestic product (GDP). In 1931, when the recession significantly worsened and GDP declined by 15%, the federal budget had only a small deficit of 0.6% of GDP. It was not until 1932 (when GDP declined by 27% compared to 1929-level) that Hoover pushed for measures (Reconstruction Finance Corporation, Federal Home Loan Bank Act, direct loans to fund state Depression relief programs) that increased spending. But at the same time he pushed for the Revenue Act of 1932 that massively increased taxes in order to balance the budget again.
Uncertainty was a major factor, argued by several economists, that contributed to the worsening and length of the depression. It was also said to be responsible “for the initial decline in consumption that marks the” beginning of the Great Depression by economists Paul R. Flacco and Randall E. Parker. Economist Ludwig Lachmann argues that it was pessimism that prevented the recovery and worsening of the depression President Hoover is said to have been blinded from what was right in front of him.
Economist James Deusenberry argues economic imbalance was not only a result of World War I, but also of the structural changes made during the first quarter of the Twentieth Century. He also states the branches of the nation’s economy became smaller, there was not much demand for housing, and the stock market crash “had a more direct impact on consumption than any previous financial panic”
Economist William A. Lewis describes the conflict between America and its primary producers:
Misfortunes (of the 1930’s) were due principally to the fact that the production of primary commodities after the war was somewhat in excess of demand. It was this which, by keeping the terms of trade unfavourable to primary producers, kept the trade in manufactures so low, to the detriment of some countries as the United Kingdom, even in the twenties, and it was this which pulled the world economy down in the early thirties….If primary commodity markets had not been so insecure the crisis of 1929 would not have become a great depression....It was the violent fall of prices that was deflationary.[page needed]
The stock market crash was not the first sign of the Great Depression. “Long before the crash, community banks were failing at the rate of one per day”. It was the development of the Federal Reserve System that misled investors in the ‘20s into relying on federal banks as a safety net. They were encouraged to continue buying stocks and to overlook any of the fluctuations. Economist Roger Babson tried to warn the investors of the deficiency to come, but was ridiculed even as the economy began to deteriorate during the summer of 1929. While England and Germany struggled under the strain on gold currencies after the war, economists were blinded by an unsustainable ‘new economy' they sought to be considerably stable and successful.
Since the United States decided to no longer comply with the gold standard, “the value of the dollar could change freely from day to day”. Although this imbalance on an international scale led to crisis, the economy within the nation remained stable.
The depression then affected all nations on an international scale. “The German mark collapsed when the chancellor put domestic politics ahead of sensible finance; the bank of England abandoned the gold standard after a subsequent speculative attack; and the U.S. Federal Reserve raised its discount rate dramatically in October 1931 to preserve the value of the dollar”. The Federal Reserve drove the American economy into an even deeper depression.
In 1929 the Hoover administration responded to the economic crises by temporarily lowering income tax rates and the corporate tax rate. At the beginning of 1931, tax returns showed a tremendous decline in income due to the economic downturn. Income tax receipts were 40% less than in 1930. At the same time government spending proved to be a lot greater than estimated. As a result the budget deficit increased tremendously. While Secretary of the Treasury Andrew Mellon urged to increase taxes, Hoover had no desire to do so since 1932 was an election year. In December 1931, hopes that the economic downturn would come to an end vanished since all economic indicators pointed to a continuing downward trend. On January 7, 1932, Andrew Mellon announced that the Hoover administration would end a further increase in public debt by raising taxes. On June 6, 1932, the Revenue Act of 1932 was signed into law. It raised taxes on all brackets, tripling the tax rate on the poorest, and on the wealthy he increased taxes from 25% to 63%. The higher taxes were first to be paid for the fiscal year 1933 when coincidently the long recession ended.
The New Deal was Roosevelt´s response to the Great Depression. The reception is mixed. While some historians and economists argue that the New Deal was the key to recovery others argue that it prolonged the Great Depression.
In a survey of economic historians conducted by Robert Whaples, Professor of Economics at Wake Forest University, anonymous questionnaires were sent to members of the Economic History Association. Members were asked to either disagree, agree, or agree with provisos with the statement that read: "Taken as a whole, government policies of the New Deal served to lengthen and deepen the Great Depression." While only 6% of economic historians who worked in the history department of their universities agreed with the statement, 27% of those that work in the economics department agreed. Almost an identical percent of the two groups (21% and 22%) agreed with the statement "with provisos" (a conditional stipulation), while 74% of those who worked in the history department, and 51% in the economic department disagreed with the statement outright.
According to Peter Temin, Barry Wigmore, Gauti B. Eggertsson and Christina Romer the biggest primary impact of the New Deal on the economy and the key to recovery and to end the Great Depression was brought about by a successful management of public expectations. Before the first New Deal measures people expected a contractionary economic situation (recession, deflation) to persist. Roosevelt's fiscal and monetary policy regime change helped to make his policy objectives credible. Expectations changed towards an expansionary development (economic growth, inflation). The expectation of higher future income and higher future inflation stimulated demand and investments. The analysis suggests that the elimination of the policy dogmas of the gold standard, balanced budget and small government led endogenously to a large shift in expectation that accounts for about 70–80 percent of the recovery of output and prices from 1933 to 1937. If the regime change would not have happened and the Hoover policy would have continued, the economy would have continued its free fall in 1933, and output would have been 30 percent lower in 1937 than in 1933.
In the new classical macroeconomics view of the Great Depression large negative shocks caused the 1929–1933 downturn –including monetary shocks, productivity shocks, and banking shocks – but those developments become positive after 1933 due to monetary and banking reform policies. According to the model Cole-Ohanian impose, the main culprits for the prolonged depression were labor frictions and productivity/efficiency frictions (perhaps, to a lesser extent). Financial frictions are unlikely to have caused the prolonged slump.
In the Cole-Ohanian model there is a slower than normal recovery which they explain by New Deal policies which they evaluated as tending towards monopoly and distribution of wealth. The key economic paper looking at these diagnostic sources in relation to the Great Depression is Cole and Ohanian’s work. Cole-Ohanian point at two policies of New Deal: the National Industrial Recovery Act and National Labor Relations Act (NLRA), the latter strengthening NIRA’s labor provision. According to Cole-Ohanian New Deal policies created cartelization, high wages, and high prices in at least manufacturing and some energy and mining industries. Roosevelts policies against the severity of the Depression like the NIRA, a “code of fair competition” for each industry were aimed to reduce cutthroat competition in a period of severe deflation, which was seen as the cause for lowered demand and employment. The NIRA suspended antitrust laws and permitted collusion in some sectors provided that industry raised wages above clearing level and accepted collective bargaining with labor unions. The effects of cartelization can be seen as the basic effect of monopoly. The given corporation produces too little, charges too high of a price, and under-employs labor. Likewise, an increase in the power of unions creates a situation similar to monopoly. Wages are too high for the union members, so the corporation employs less people and, produces less output. Cole-Ohanian show that 60% of the difference between the trend and realized output is due to cartelization and unions. Chari, Kehoe, McGrattan also present a nice exposition that’s in line with Cole-Ohanian. .
This type of analysis has numerous counterarguments including the applicability of the equilibrium business cycle to the Great Depression.