In July 1944, while the Second World War was still being fought, forty-four Allied nations sent delegations to the Mount Washington Hotel in Bretton Woods, New Hampshire, to design the postwar monetary order. The conference lasted three weeks. Its product — the Bretton Woods system — governed international monetary relations for twenty-seven years and, in its collapse and legacy, still shapes the architecture of global finance today. To understand Bretton Woods is to understand how monetary regimes are designed, why they work, and why they fail.
The problem the conference was solving was the chaos of the interwar period. The gold standard, which had provided monetary stability in the late nineteenth and early twentieth centuries, had broken down catastrophically after the First World War. Countries had returned to gold at misaligned parities, generating persistent trade imbalances. The Great Depression had triggered a wave of competitive devaluations as countries tried to export their way out of slump — "beggar-thy-neighbor" policies that deepened the global contraction. By the time Bretton Woods convened, the economic catastrophe of the 1930s was understood as a collective action failure: each country acting in its own short-term interest had produced outcomes worse for everyone than coordinated policy would have.
The solution was to embed exchange rate stability in a set of international institutions with enough credibility and resources to enforce it. The core mechanism was a gold-exchange standard: the US dollar was pegged to gold at $35 per ounce, and other participating currencies were pegged to the dollar at fixed but adjustable rates. Only central banks, not private actors, could convert dollars to gold. This arrangement kept the deflationary discipline of gold at one remove while allowing more flexibility than a pure gold standard. It also made the United States the anchor of the system — an arrangement that suited American economic and political hegemony at war's end.
Two institutions emerged from the conference: the International Monetary Fund and the World Bank (originally the International Bank for Reconstruction and Development). The IMF was designed to manage balance-of-payments crises. Countries that ran current account deficits could borrow from the IMF to defend their exchange rate peg rather than immediately devaluing. This gave them time to adjust, reducing the frequency and severity of disorderly devaluations. The World Bank was designed to finance postwar reconstruction and, later, development in poorer countries.
The intellectual architecture of Bretton Woods reflected a productive tension between two brilliant and incompatible proposals. John Maynard Keynes, representing Britain, proposed a true multilateral system built around a new international currency (which he called bancor) issued by an International Clearing Union, with automatic mechanisms to discipline both deficit and surplus countries. Harry Dexter White, representing the United States, proposed a more conservative system centered on the dollar and weighted toward American interests. White won, largely because the United States was the dominant creditor nation and could dictate terms. Keynes got the institutional architecture, White got the dollar centrality. The compromise embedded an asymmetry that would eventually destroy the system: surplus countries (primarily the United States) faced no automatic pressure to adjust, while deficit countries faced immediate pressure through the IMF conditionality mechanism.
The system functioned remarkably well through the 1950s and early 1960s. The postwar reconstruction boom, the Marshall Plan, and the controlled opening of international trade created the conditions for rapid growth in Western Europe and Japan without generating the instability that had plagued the interwar period. Exchange rates were stable. Capital flows were controlled through capital account restrictions, limiting the ability of private actors to speculate against parities. The dollar was genuinely credible as a gold-backed anchor because the United States held the majority of global gold reserves.
The contradictions accumulated through the 1960s. The United States ran persistent balance-of-payments deficits, partly due to Cold War military spending and partly due to the expansion of the US welfare state under Johnson's Great Society programs. These deficits flooded the world with dollars. This was simultaneously necessary — the world needed dollars for trade — and destabilizing, because as dollar holdings outside the US grew, the American gold stock could no longer plausibly back them all. Robert Triffin had identified this dilemma in 1960: the issuer of the world's reserve currency must run deficits to supply the world with liquidity, but those deficits eventually undermine confidence in the currency's value. The dilemma bearing his name describes a structural instability that no institutional design could eliminate without either limiting reserve currency supply or eliminating gold convertibility.
The end came in stages. France under De Gaulle, ideologically committed to gold and politically hostile to dollar hegemony, began systematically converting its dollar reserves to gold in the late 1960s. Speculative pressure mounted on the dollar-gold peg. On August 15, 1971, President Nixon announced the suspension of dollar-gold convertibility — the "Nixon Shock" — unilaterally ending the Bretton Woods system without international consultation. Exchange rates floated, with significant turbulence, through the Smithsonian Agreement of December 1971 (an attempt to stabilize rates that lasted barely a year) and into the era of generalized floating that persists today.
Law 5 — revision, evolution, transparent archive — illuminates both the genius and the failure of Bretton Woods. The genius was the creation of a revisable, institutionally embedded monetary regime rather than a rigid automatism. The fixed-but-adjustable peg allowed exchange rate revision when fundamentals genuinely shifted. The IMF conditionality mechanism, however imperfect, created a forum for managed adjustment. The World Bank created institutional memory about development finance. The failure was the inability to revise the system's core asymmetry — the surplus country problem — before it destroyed the system. When revision was needed most, at the level of dollar hegemony itself, the political economy of American power made genuine reform impossible. The archive of what went wrong at Bretton Woods is the clearest available guide to designing the next monetary regime that the world, sooner or later, will need.