Value of $100 in 1920, adjusted to 1937

What happened to prices between 1920 and 1937

Between 1920 and 1937, the Consumer Price Index went from 20 to 14.4. Cumulatively, prices declined 28.0%, which works out to an average of -1.91% per year. Put differently, a dollar in 1920 bought what $1.39 buys in 1937.

1920 was the last year of the inflation that had built since the war began: consumer prices rose 15.6% for the year, leaving the CPI more than double its 1913 starting level after seven straight years of increases. The boom behind those increases turned to bust before the year was over. The Federal Reserve, worried about speculation, pushed its discount rate to a record 7% that spring, and wholesale prices, which had led the wartime runup, began collapsing within months. The National Bureau of Economic Research dates the resulting downturn from January 1920 to July 1921, one of the shortest but steepest contractions in U.S. history, and consumer prices followed into outright decline, falling 10.5% in 1921. Two constitutional changes reshaped the country that year, too. The 18th Amendment’s ban on alcohol took legal effect January 17, enforced under the Volstead Act Congress had passed the previous October. Then, on August 18, Tennessee’s ratification of the 19th Amendment secured women’s right to vote nationwide, and women cast ballots in a presidential election for the first time that November, when Warren Harding won on a promise to return the country to “normalcy” after a decade of war, pandemic, and rising prices. First-class postage held at 2 cents, unchanged since mid-1919.

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The destination year: 1937

Consumer prices rose 3.6% in 1937, the fastest pace since before the Depression and the fourth straight year of gains, leaving prices 10.8% above their 1933 trough though still 15.8% below the 1929 peak. The recovery did not last the year. The National Bureau of Economic Research dates a new business cycle peak to that May, the start of what became known as the Recession of 1937-38. Policy tightened on two fronts at once: the Federal Reserve had doubled bank reserve requirements over the preceding year to head off inflation it worried was building, and the federal government pulled back its own spending even as new Social Security payroll taxes began draining money from paychecks months before the first benefit checks went out. Together they choked off a recovery that had not yet reached its pre-Depression footing. Not every milestone that year was economic. The Golden Gate Bridge opened to traffic on May 27 after four years of construction, at the time the longest suspension bridge span in the world, a rare bright spot in a year that would end with the economy sliding backward again. First-class postage held at 3 cents.

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