Thomas Rustici on Smoot-Hawley and the Great Depression

Episode Summary

Executive Summary: Russ Roberts and Thomas Rustici debate Smoot-Hawley’s role in the Great Depression. Rustici argues the tariff was not a mere sideshow: by triggering global retaliation, it hit export-dependent sectors, bank balance sheets, and money markets, helping precipitate regional bank failures and a broader monetary collapse. He frames the Depression as an institutional failure worsened by trade policy and central bank inaction.

Main Topics: Keynesian versus classical views of downturns (Priority: 5/5): Roberts and Rustici contrast Keynes’s demand-driven model, with hoarding, sticky prices, and the paradox of thrift, against the classical view that saving finances investment and growth. Smoot-Hawley and the Great Depression (Priority: 5/5): Rustici challenges the modern view that Smoot-Hawley was too small to matter, arguing that its effects were amplified through trade retaliation and financial instability. Tariff retaliation as a trigger for financial stress (Priority: 5/5): He contends that tariffs reduced export income in key sectors and regions, which then weakened banks tied to agriculture, steel, autos, and commodities. Bank failures, the Fed, and monetary collapse (Priority: 5/5): The discussion centers on Friedman and Schwartz’s story of bank runs and money-supply contraction, with Rustici arguing Smoot-Hawley helped create the insolvencies that made the banking system fragile. Regional and sectoral transmission of shocks (Priority: 4/5): Rustici emphasizes that macro losses were concentrated in specific states and industries, making the tariff devastating locally even if aggregate trade shares looked modest. Free banking and institutional stability (Priority: 4/5): Rustici argues that less rigid banking systems, such as Canada’s, were more resilient because they avoided the same scale of bank failures and money contraction.

Key Arguments: Keynesian theory explains downturns as collapses in aggregate demand, but Rustici argues this ignores institutions and the price system. The paradox of thrift may describe crisis conditions, but only when banks and credit intermediation are already impaired. Smoot-Hawley mattered not just through direct trade losses but through retaliation, export collapse, and downstream effects on borrowers and banks. The tariff hit export-dependent regions and sectors unevenly, so even a seemingly small aggregate trade shock could be catastrophic locally. Bank failures were concentrated in agricultural and industrial export regions, suggesting a link between trade disruption and insolvency. The Federal Reserve’s failure to act as lender of last resort turned local distress into a systemic banking collapse. Canada’s banking system, with greater resilience and no bank failures, suggests institutional structure mattered as much as trade exposure. Free banking and more competitive banking arrangements may be more stable than the U.S. system of the early 1930s. The Depression was not caused by one factor alone, but Smoot-Hawley was an important triggering mechanism that interacted with monetary policy and fragile institutions.

Data Points: Smoot-Hawley tariff increase: Average tariff rate rose from 38% to 60% - Rustici describes the scale of the tariff change during the legislative process U.S. trade share: About 5% to 7% of the U.S. economy - Roberts summarizes the standard argument that trade was too small to explain the Depression GDP decline, 1929-1933: 36% - Used to contrast the tariff’s scale with the overall contraction Bank failures: 10,421 banks - Rustici cites the number of U.S. bank failures during the early Depression Total banks in U.S.: About 25,000 - Used to show the severity of the banking collapse Money supply decline: 29% - Rustici attributes this to banking failures and monetary contraction Federal Reserve discount rate: Raised from 3.5% to 6% - Rustici says the Fed tightened in 1928-1929 to curb speculation Economists’ petition: 1,028 economists - Profession-wide petition urging Hoover not to sign Smoot-Hawley Foreign trade share from farms: About half of U.S. export income - Explains why agriculture was especially exposed to retaliation Canadian money supply decline: 13% - Presented as evidence of a more resilient banking system than the U.S. Canadian exports to the U.S. in iron and steel: $200 million fell to $29 million annually - After Canadian retaliation, U.S. steel exports collapsed Pittsburgh bank losses: 11 banks - Rustici links Pittsburgh’s banks to the collapse in steel exports Pittsburgh depositor losses: $69 million - Losses in Pittsburgh banks after export decline Detroit rescue estimate: $12 million - RFC’s estimate to stabilize Detroit’s auto-linked banks Auto export loss: From $1.5 billion cumulative to near zero relative flow - Rustici says U.S. auto exports were devastated by retaliation Auto export decline: 85% - He describes the collapse in U.S. automobile sales abroad Farm income drop: From $6 billion to $2 billion net income - Rustici links agricultural collapse to Smoot-Hawley retaliation Bank runs in 1930: 600 banks in two months - First major wave of failures in Midwest farm states Bank failures in 1931: 1,300+ banks - Second year of catastrophic banking failures

Pivotal Quotes: "the economists at the time actually were ... seeing these things a lot more integrated than these little compartmentalized aggregate spending components" — Thomas Rustici: Rustici explains why earlier economists gave Smoot-Hawley a much larger role than modern models do "Smoot-Hawley is not some little sideshow. You have to start disaggregating. You have to start looking at the micro connections because all of this inefficiency ultimately shows up in the financial system." — Thomas Rustici: Core statement of his thesis on the tariff’s broader economic impact "You can't solve an insolvency problem with a liquidity solution." — Thomas Rustici: Rustici’s explanation of why central bank intervention could not fully fix the damage, though it could have limited contagion

Implications: The episode suggests trade policy can trigger large financial spillovers when economies are institutionally fragile. For listeners, the lesson is that tariffs can damage banks, credit, and employment far beyond their direct trade effects, especially when central banks respond poorly.