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CONCEPT

Technological Revolutions Framework

Perez's structural theory identifying five great surges of technological development since 1771, each following a two-phase pattern of installation and deployment separated by a turning point.
Carlota Perez's framework, articulated most fully in Technological Revolutions and Financial Capital (2002), identifies five great surges of development since the late eighteenth century: the Industrial Revolution (1771), steam and railways (1829), steel and electricity (1875), oil and mass production (1908), and information and telecommunications (1971). Each surge follows the same two-phase structure: an installation phase driven by financial capital during which the new technology's infrastructure is built amid speculative excess, followed by a deployment phase during which production capital displaces financial capital and institutional reforms redistribute the gains. Between the two phases sits the turning point — a period of crisis and institutional reckoning that determines whether the revolution produces a golden age of broadly shared prosperity or a prolonged period of inequality.
Technological Revolutions Framework
Technological Revolutions Framework

In The You On AI Field Guide

Perez spent four decades extracting this pattern from the historical record, testing it against the experience of radically different technologies, geographies, and political contexts. The pattern's recurrence across all five surges — despite the absence of any obvious causal mechanism that would produce such consistency — demands explanation rather than dismissal. Critics have argued that each revolution is unique and that history does not rhyme. Perez's response has been empirical: the rhymes are too precise and too numerous to be coincidence.

The framework's key contribution is not the identification of the revolutions themselves, which economic historians had catalogued before Perez, but the specification of the two-phase structure within each surge. The installation phase is where financial capital funds the infrastructure of the new paradigm at speeds and scales that rational investment analysis would never justify. The deployment phase is where that infrastructure is redirected toward broad social benefit through institutional mechanisms that the market alone cannot produce.

Installation Phase
Installation Phase

The framework has been applied by investors, policymakers, and economists seeking to understand why speculative booms and crashes are structurally necessary rather than aberrant features of capitalist innovation. It provides a vocabulary for thinking about where any given technology sits within its cycle, what dynamics to expect next, and what institutional responses the moment demands. For the AI revolution, the framework's diagnostic power is particularly acute because it illuminates the contest between installation-phase incumbents and the deployment-phase institutions that the turning point must produce.

Origin

Perez developed the framework during her time at the Science Policy Research Unit (SPRU) at the University of Sussex, building on her earlier work on technology policy in Latin America. Her landmark book Technological Revolutions and Financial Capital (2002) synthesized two decades of research into the definitive statement of the theory. The framework drew on Schumpeterian creative destruction, Kondratieff's long-wave theory, and Christopher Freeman's work on technological paradigms.

Key Ideas

Five surges. The industrial revolution (1771), steam and railways (1829), steel and electricity (1875), oil and mass production (1908), and information technology (1971).

Two-phase structure. Installation driven by financial capital, followed by deployment driven by production capital — with a turning point between them.

Deployment Phase
Deployment Phase

Recurring pattern. Speculative frenzy, crash, institutional reckoning, and either golden age or lost generation — a structure consistent across all five surges.

Institutions determine distribution. The technology installs the infrastructure; the institutions determine who benefits from it.

Not prophecy but possibility. The framework identifies structural dynamics but cannot guarantee outcomes — golden ages are built, not bestowed.

Debates & Critiques

The framework has been challenged on grounds of determinism and retrospective fit. Paul Kedrosky has warned that the model risks becoming a secular theodicy that retroactively justifies every crash as necessary. Hermas Ayi has objected that the framework assumes synchronous global advancement while markets are interconnected but temporalities remain profoundly unequal. Perez herself has emphasized that the pattern identifies possibilities rather than certainties, and that the progressive resolution of any turning point requires deliberate political and institutional action.

Further Reading

  1. Carlota Perez, Technological Revolutions and Financial Capital: The Dynamics of Bubbles and Golden Ages (Edward Elgar, 2002)
  2. Carlota Perez, "What Is AI's Place in History?" (2024)
  3. Christopher Freeman and Francisco Louçã, As Time Goes By: From the Industrial Revolutions to the Information Revolution (Oxford, 2001)
  4. Joseph Schumpeter, Capitalism, Socialism and Democracy (1942)
  5. Paul Kedrosky, "The Perez Framework and Its Limits" (2025)
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