Trente Glorieuses to Stagflation: A Development Arc for the Rich World
The thirty glorious years of Western postwar prosperity were historically exceptional — and understanding why they ended is essential for anyone who invokes them as a model.
The Golden Age That Wasn’t Supposed to Happen
In 1945, much of Western Europe lay in rubble. France had lost a quarter of its physical capital. Germany’s industrial cities were moonscapes. Britain, technically victorious, was bankrupt and rationing bread. Economists and policymakers expected a painful, protracted recovery — possibly a return to the interwar pattern of deflation, unemployment, and political extremism that had produced fascism the first time around.
What happened instead was the most sustained and broadly shared period of economic growth in the history of the industrialized world. Between roughly 1945 and 1975, Western Europe, North America, and Japan experienced GDP growth rates, productivity gains, wage increases, and improvements in living standards that had no precedent and have not been repeated since. The French economist Jean Fourastie coined the term les Trente Glorieuses — the thirty glorious years — in a 1979 book looking back on France’s transformation from a predominantly rural, low-productivity economy into a modern industrial powerhouse. The phrase stuck because it captured something real: an era when growth was fast, unemployment was low, inequality was falling, and the welfare state was expanding, all at the same time.
Understanding this era matters not for nostalgia but for calibration. When politicians promise to bring back the postwar economy, when commentators lament the stagnation of wages since the 1970s, when economists debate whether growth can be inclusive again, they are all, whether they know it or not, measuring the present against the Trente Glorieuses. The question is whether that benchmark makes sense — and what actually drove the boom and its collapse.
The Drivers of the Boom
No single factor explains the postwar golden age. It was the product of several forces converging in ways that were partly deliberate, partly accidental, and almost certainly unrepeatable in exactly the same form.
Reconstruction and catch-up growth. The most straightforward driver was the rebuilding of war-damaged economies. When you start from rubble, growth rates are mechanically high: putting existing knowledge back to work in new factories produces rapid output gains. But the boom lasted far beyond the reconstruction phase, which was largely complete by the early 1950s. What extended it was a deeper process of technological catch-up. The United States had opened a large productivity lead during and after the war, and European and Japanese firms spent the next two decades adopting American production methods, management techniques, and technologies. This catch-up process, formalized in economic theory by Moses Abramovitz and others, provided a built-in growth engine: as long as you were behind the technological frontier, you could grow fast by imitating and adapting what the leader had already developed.
Bretton Woods and monetary stability. The international monetary system established at Bretton Woods, New Hampshire, in 1944 provided a framework of fixed-but-adjustable exchange rates anchored to the U.S. dollar, which was itself convertible to gold. Whatever its eventual weaknesses, the Bretton Woods system gave international trade and investment a degree of predictability that the interwar gold standard had failed to provide. Capital controls limited destabilizing financial flows. Countries could run independent monetary policies without worrying about sudden capital flight. The system was not perfect — the UK faced repeated sterling crises, France devalued in 1958 — but it provided enough stability for trade to expand rapidly, which in turn supported the productivity gains from specialization and scale.
Cheap energy. The postwar boom coincided with the age of cheap oil. Middle Eastern petroleum, controlled by Western oil companies through concession agreements, flowed abundantly at prices that, adjusted for inflation, were lower than at almost any other point in the twentieth century. Cheap energy powered the automobile revolution, suburbanization, the expansion of chemical and plastics industries, mechanized agriculture, and the entire infrastructure of mass consumption. The implicit subsidy of underpriced fossil fuels was enormous, and its removal — via the oil shocks of the 1970s — would prove devastating.
Labor supply and migration. Rapid growth required workers, and the postwar period supplied them through several channels. Rural-to-urban migration transferred millions of workers from low-productivity agriculture to higher-productivity manufacturing and services — a process that drove growth in France, Italy, Germany, and Japan simultaneously. International migration added another layer: Germany recruited Gastarbeiter (guest workers) from Turkey, Italy, and Yugoslavia; France drew labor from North Africa and Southern Europe; Britain absorbed immigration from the Commonwealth. Women entered the paid labor force in growing numbers. The net effect was that firms could expand production without hitting binding labor shortages or bidding up wages faster than productivity growth — at least for the first two decades.
Keynesian demand management. Governments in the postwar period, chastened by the interwar depression, adopted Keynesian principles of demand management with varying degrees of explicitness. The basic commitment was to maintain full employment through fiscal and monetary policy: run deficits during downturns, raise taxes and tighten money during booms, and use public investment to smooth the cycle. The institutional forms varied — France used indicative planning, Germany relied on its social market economy, Britain experimented with stop-go policies — but the shared orientation toward full employment was real and consequential. Recessions were short and shallow. Workers had bargaining power because jobs were plentiful. The expectation of continued growth encouraged investment, which produced the growth that justified the expectation — a virtuous circle that Keynesian economists considered a vindication of their framework.
The welfare state expansion. Alongside demand management came the construction of comprehensive welfare states. Social insurance — pensions, health care, unemployment benefits, family allowances — expanded dramatically across Western Europe. The welfare state served multiple functions: it reduced poverty and insecurity, it acted as an automatic stabilizer during downturns (benefits kicked in when incomes fell, sustaining demand), and it helped legitimate the capitalist order by demonstrating that growth could be shared. The political scientist Gosta Esping-Andersen later classified these welfare states into three regimes — social-democratic (Scandinavia), conservative-corporatist (Continental Europe), and liberal (Anglo-Saxon) — but all three expanded significantly during the Trente Glorieuses.
Variations Across Countries
The golden age was real, but it was not uniform. The growth experience varied significantly across countries, and the variations reveal something about the underlying mechanisms.
France experienced perhaps the most dramatic transformation. A country that was still substantially agricultural in 1945 — with a per capita income well below Britain’s — underwent rapid industrialization, urbanization, and modernization under the guidance of indicative planning (the Commissariat general du Plan). French growth averaged about 5 percent per year in the 1950s and 1960s, and the country emerged by the mid-1970s as a fully modern industrial economy. The French experience gave the era its name because the contrast between before and after was so striking.
Germany — or rather West Germany — is the most celebrated case, the Wirtschaftswunder or economic miracle. Starting from the wreckage of total defeat, West Germany grew at extraordinary rates through the 1950s and 1960s, built a formidable export sector, maintained low inflation through the independent Bundesbank, and developed the “social market economy” that combined competitive markets with strong social insurance and codetermination (worker representation on corporate boards). Germany’s success was partly a catch-up story, partly a story of institutional design, and partly a story of deliberate wage restraint by unions that kept German exports competitive.
Italy experienced its own miracolo economico, transforming from a largely agricultural southern European country into an industrial power. Growth was concentrated in the north — the triangle of Milan, Turin, and Genoa — while the Mezzogiorno remained poor, creating a regional divide that persists to this day. Italian growth was driven heavily by small and medium enterprises, flexible specialization, and low wages relative to Northern Europe, which made Italian exports competitive despite weak state institutions.
Britain is the cautionary tale. Although British living standards improved significantly during the Trente Glorieuses, growth rates consistently lagged behind Continental rivals. Britain’s relative decline — from the world’s leading economy in the nineteenth century to a middling European performer by the 1970s — became a national obsession. The explanations are contested: adversarial industrial relations, underinvestment in education and training, the burden of maintaining sterling as a reserve currency, cultural hostility to manufacturing, stop-go macroeconomic policy. Whatever the mix, Britain’s experience demonstrates that the golden age was not automatic — institutions and policy choices mattered enormously.
The United States had a different trajectory because it was already at the technological frontier. American growth in this period was more modest than European growth — around 3-4 percent per year — but it started from a much higher base. The distinctive American features of the postwar boom were suburbanization, the automobile, the highway system, the GI Bill’s expansion of higher education, and the military-industrial complex. The U.S. was the source of the technologies that others were catching up to, and its growth depended less on catch-up and more on innovation at the frontier.
The Institutional Settlement
Underlying the economic performance was a political settlement — sometimes called the “postwar consensus” or the “class compromise” — that shaped how the gains from growth were distributed. The broad outlines varied by country but shared common features: strong unions that bargained for wage increases roughly in line with productivity growth; governments committed to full employment and social insurance; business that accepted taxation and regulation as the price of social peace and stable demand; and a relatively closed financial sector that channeled savings into domestic productive investment rather than speculation.
This settlement was not natural or inevitable. It was the product of specific historical conditions: the discrediting of laissez-faire by the Depression, the existential threat of communism (which gave Western elites a powerful incentive to demonstrate that capitalism could deliver for workers), the memory of wartime solidarity, and the organizational strength of labor movements that had been empowered by full employment. The settlement worked, in part, because it was self-reinforcing: rising wages created demand for mass-produced goods, which sustained profits, which financed investment, which raised productivity, which funded further wage increases. Henry Ford’s insight — that workers needed to be paid enough to buy what they produced — became, for a generation, the operating principle of Western capitalism.
The Unraveling
The end of the Trente Glorieuses was not a single event but a convergence of structural pressures that accumulated through the late 1960s and exploded in the 1970s.
The exhaustion of catch-up. By the late 1960s, European and Japanese productivity levels were converging on the American frontier. The easy gains from adopting existing technologies were drying up. Growth at the frontier requires innovation, which is slower and more uncertain than imitation. The mechanical deceleration of catch-up growth was already underway before the oil shocks hit.
The profit squeeze. Full employment, sustained over two decades, had shifted bargaining power decisively toward labor. Wages began growing faster than productivity in the late 1960s, squeezing profit margins. The wave of labor militancy that swept Western Europe and the United States in the late 1960s and early 1970s — the May 1968 events in France, the Hot Autumn of 1969 in Italy, wildcat strikes in Britain and Germany — reflected workers’ growing confidence and ambition. For Marxist economists like Andrew Glyn and Bob Sutcliffe, writing in 1972, the profit squeeze was the fundamental cause of the crisis: capitalism’s own success in delivering full employment had undermined the conditions for profitability.
The collapse of Bretton Woods. The fixed exchange rate system depended on the United States maintaining the convertibility of dollars to gold. As American inflation rose (driven by Vietnam War spending and Great Society programs), confidence in the dollar eroded. Foreign governments began converting their dollar reserves to gold, draining U.S. reserves. In August 1971, President Nixon suspended gold convertibility, effectively ending Bretton Woods. The subsequent shift to floating exchange rates introduced a new source of volatility and uncertainty into the international economy.
The oil shocks. The most dramatic trigger was the quadrupling of oil prices by OPEC following the 1973 Arab-Israeli War, followed by a second shock after the 1979 Iranian Revolution. Cheap energy had been a foundational assumption of the postwar growth model, and its sudden removal imposed an enormous terms-of-trade shock on oil-importing economies. The oil shocks were simultaneously inflationary (higher energy costs raised prices across the economy) and contractionary (higher energy costs reduced real incomes and consumption). This combination — inflation plus stagnation — was something that Keynesian demand management was not designed to handle, because the standard toolkit assumed that inflation and unemployment moved in opposite directions (the Phillips Curve trade-off).
Stagflation and the crisis of Keynesianism. The result was stagflation: high inflation and high unemployment simultaneously, persisting through much of the 1970s. Keynesian prescriptions broke down. Stimulating demand to reduce unemployment risked accelerating inflation; tightening policy to control inflation risked deepening unemployment. The intellectual crisis was as severe as the economic one. Milton Friedman and the monetarists argued that Keynesian demand management had been the problem all along — that it had produced inflationary expectations that now required painful disinflation to break. Robert Lucas and the New Classical economists went further, arguing that systematic government policy could not affect real output at all because rational agents would anticipate and offset it. The policy consensus shifted, unevenly and incompletely, toward monetarism, deregulation, and what would eventually be called neoliberalism.
Why the Nostalgia — and Why It Misleads
The Trente Glorieuses cast a long shadow. When contemporary politicians promise to restore broadly shared prosperity, when trade unions invoke the postwar social contract, when economists debate whether inclusive growth is possible, the implicit reference point is often the 1945-1975 period. The nostalgia is understandable. For a generation of workers in Western Europe and North America, the postwar decades delivered something unprecedented: rising real wages, expanding social protections, growing homeownership, upward social mobility, and the reasonable expectation that children would be better off than their parents.
But the nostalgia is also misleading, because it treats as a policy choice what was largely a historical conjuncture. The Trente Glorieuses depended on conditions that were specific and in many cases unrepeatable. Catch-up growth from wartime destruction is, by definition, a one-time process. The demographic dividend of rural-to-urban migration is exhausted once a country is fully urbanized. Cheap fossil fuels are no longer cheap — and even if they were, burning them at postwar rates would be ecologically catastrophic. The geopolitical conditions that made the postwar settlement possible — the Cold War discipline that kept Western elites committed to sharing growth, the weakness of developing countries that allowed the rich world to control commodity prices and terms of trade — no longer hold.
This does not mean that nothing from the era is recoverable or relevant. The insight that growth can be structured to be broadly shared, that full employment is achievable through deliberate policy, that public investment and social insurance are compatible with productivity growth — these are genuine lessons, validated by experience. But they need to be applied to current conditions, not to a romanticized past.
The most important lesson of the Trente Glorieuses may be about the relationship between economic performance and institutional design. The golden age was not the result of markets left alone; it was the result of markets embedded in a specific set of institutions — regulated finance, coordinated bargaining, public investment, social insurance, stable exchange rates — that channeled the energy of capitalism toward broad-based prosperity. When those institutions eroded, the growth continued (at a slower pace) but the broad sharing stopped. Understanding why the institutions eroded, and whether new ones can be built that serve comparable purposes under different conditions, is the real question that the Trente Glorieuses pose for the present.
The Comparative Lesson
Perhaps the most telling comparison is between the Trente Glorieuses and what followed. In the four decades after 1975, GDP growth rates in advanced economies roughly halved. Productivity growth slowed. Real wages for median workers stagnated in the United States and grew only modestly in Europe. Income inequality widened dramatically in the Anglo-Saxon countries and moderately in Continental Europe. The welfare state stopped expanding and, in many countries, began to contract. Financial crises — absent during the Bretton Woods era — returned with a vengeance: the savings and loan crisis, the Asian crisis, the dot-com bust, the global financial crisis of 2008.
The contrast is not between two natural states of the economy but between two institutional regimes. The postwar regime prioritized full employment, wage growth, and social security, and it delivered them — for a time, in specific countries, under specific conditions. The regime that replaced it prioritized price stability, financial liberalization, and shareholder returns, and it delivered those — along with widening inequality, financial fragility, and a pervasive sense that the economy no longer works for ordinary people.
Neither regime was permanent, neither was perfect, and neither is fully available as a model for the future. But the comparison teaches something essential: the distribution of economic gains is not determined by technology or markets alone. It is shaped by institutions, policies, and the balance of political power. The Trente Glorieuses were glorious not because of some economic law but because of political choices made in the shadow of catastrophe. Whether comparable choices can be made in the shadow of different catastrophes — climate change, demographic aging, technological disruption — is the central question of twenty-first-century political economy.