15 economic events and the specific human decisions behind each one

The biggest economic upheavals in modern history trace back to identifiable decisions made by identifiable people — and those decisions could have gone differently

Farm Security Administration / Wikimedia Commons

Economic history has a tendency to make the past feel inevitable. The Great Depression reads, in retrospect, as the natural consequence of the excesses of the 1920s — the speculative bubble, the easy credit, the overextended banks. The 2008 financial crisis reads as the natural consequence of a housing market that was always too inflated, a derivatives market that was always too opaque, a regulatory framework that was always too permissive. The eurozone debt crisis reads as the natural consequence of currency union without fiscal union — a structural problem that was always going to produce this outcome eventually.

This retrospective fatalism is analytically convenient and historically misleading. Economic crises are not natural disasters, produced by impersonal forces whose accumulation was inevitable from the start. They are produced by specific decisions, made by specific people, at specific moments when other decisions were available. The Treaty of Versailles's reparations clause was a choice — a choice that the economists advising the Allied governments advised against and that the political leaders overrode for domestic reasons. The Federal Reserve's decision to raise interest rates in 1931, in the middle of a banking crisis, was a choice — one that Milton Friedman and Anna Schwartz later identified as the single most consequential policy error in American economic history. The decision to allow Lehman Brothers to fail in September 2008 was a choice — and the people who made it have spent years explaining why it was not, in fact, the only option.

This list covers 15 economic events — crises, crashes, booms, reforms, and turning points — and identifies the specific human decisions that produced them. The framing is not primarily about blame, though accountability is relevant. It is about restoring agency to economic history — recognizing that the largest economic upheavals are not natural phenomena but the products of human judgment, operating under specific constraints, with specific information, making specific choices whose consequences unfolded across years and decades.

Each slide identifies the event, the decision or decisions that drove it, the person or people who made those decisions, and the counterfactual — what might have been different if the decision had gone another way. The counterfactuals are necessarily speculative, but their value is in making clear that alternatives existed and that the path taken was chosen, not inevitable.

Bec / Wikimedia Commons (CC BY-SA 4.0)

The Great Depression — the decade-long economic collapse that began in the United States in 1929 and spread globally, producing unemployment rates of 25% in the United States and comparable devastation in most industrialized economies — was not simply the inevitable consequence of the 1920s bull market. Its specific severity, duration, and global spread were substantially the product of a specific policy error made by the Federal Reserve between 1929 and 1933.

The decision, documented most thoroughly by Milton Friedman and Anna Schwartz in "A Monetary History of the United States" (1963), was the Federal Reserve's failure to act as a lender of last resort during the banking panics of 1930, 1931, and 1932, and its decision to raise interest rates in 1931 in response to Britain's abandonment of the gold standard — an action designed to protect American gold reserves that produced a further contraction of the money supply at precisely the moment when expansion was most needed.

Between 1929 and 1933, the money supply contracted by approximately one-third. Bank failures were allowed to cascade without Fed intervention — 9,000 banks failed in the United States between 1930 and 1933, destroying the savings of millions of ordinary Americans and collapsing the credit channels that businesses depended on for working capital. The Smoot-Hawley Tariff Act, signed by President Hoover in June 1930 over the objections of more than 1,000 economists who sent a signed petition opposing it, raised tariffs on imported goods to historically high levels and triggered retaliatory tariffs from trading partners, collapsing international trade.

Ben Bernanke, who chaired the Federal Reserve during the 2008 financial crisis, had spent his career studying the 1930s Fed's errors. His decision to aggressively expand the money supply and act as lender of last resort in 2008 was explicitly informed by Friedman and Schwartz's diagnosis. At a 2002 conference honoring Friedman's 90th birthday, Bernanke said: "You're right, we did it. We're very sorry. But thanks to you, we won't do it again."

The Treaty of Versailles

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The Treaty of Versailles, signed in June 1919, imposed on Germany reparations of 132 billion gold marks — equivalent to approximately $440 billion in contemporary terms — along with the loss of 13% of its prewar territory, 10% of its population, and the "war guilt" clause (Article 231) that assigned sole responsibility for the war to Germany and its allies. The economist John Maynard Keynes, who attended the Paris Peace Conference as a British Treasury representative, resigned in protest and published "The Economic Consequences of the Peace" in December 1919, predicting with considerable accuracy the instability that the settlement would produce.

Keynes's argument was specific: the reparations demand was set at a level that Germany could not pay without running persistent trade surpluses, which the victorious powers' trade policies would not permit. The attempt to extract reparations under these conditions would produce chronic German economic instability, hyperinflation, political radicalization, and ultimately another war. The specific decision that produced this outcome was the Allied leaders' choice — driven primarily by domestic political pressure, particularly in France and Britain, to demonstrate that Germany would pay for the war — to override the economic advice they received in favor of a settlement calibrated to political optics rather than economic stability.

The German hyperinflation of 1921 to 1923, the Great Depression's specific severity in Germany, the political crisis that brought Hitler to power in 1933, and the Second World War are all traceable, with varying directness, to the settlement of 1919. The counterfactual — a Carthaginian peace versus the more measured settlement that Keynes and others advocated — is one of the most studied in 20th-century economic history, and its lesson about the long-run costs of economically illiterate political settlements remains directly relevant.

Nixon ending the gold standard

On August 15, 1971, President Richard Nixon announced in a Sunday evening television address that the United States would suspend the convertibility of the dollar into gold, effectively ending the Bretton Woods system that had governed international monetary relations since 1944. The decision — made in a secretive weekend meeting at Camp David with a small group of advisors, without consultation with the international partners whose monetary systems depended on the dollar-gold link — transformed the global financial system in ways whose implications are still unfolding fifty years later.

The immediate cause was a balance of payments crisis: the United States had been running persistent deficits, dollar holdings abroad had accumulated to the point where the convertibility guarantee was no longer credible (foreign central banks held more dollars than the United States held gold to redeem........

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