How did currency devaluation help increase spending and investment during the Great Depression?

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During the Great Depression, currency devaluation helped stimulate spending and investment by removing the constraints imposed by the gold standard, which had previously forced countries to maintain high interest rates and contract their money supplies to defend fixed exchange rates.123

By abandoning the gold standard or devaluing their currencies, nations gained the freedom to expand their money supply without the fear of gold outflows. This monetary expansion encouraged economic activity through several key mechanisms:2

  • Lower Interest Rates: Increased money supplies made credit more widely available and lowered interest rates, which helped stimulate borrowing for investment and consumer spending.2
  • Inflationary Expectations: Devaluation helped shift expectations from deflation to inflation. By signaling that prices and wages would not continue to fall, it gave potential borrowers greater confidence that their future earnings would be sufficient to cover their loan payments.2
  • Increased Competitiveness: Devaluation made a country’s exports cheaper for foreign buyers, which could improve the balance of trade and support domestic production.45

Countries that devalued their currencies earlier generally experienced a faster recovery in output than those that remained strictly committed to the gold standard.2