Skip to content

An Evolutionary Theory of Economic Change.

Why this mattered

Nelson and Winter’s An Evolutionary Theory of Economic Change mattered because it gave economics a systematic alternative to the neoclassical image of firms as fully optimizing agents moving toward equilibrium. Its central move was to treat firms as organizations with routines, capabilities, and search procedures, operating under uncertainty and selected by market competition. That made innovation, heterogeneity, imperfect adaptation, and path dependence central objects of theory rather than deviations to be explained away. Loasby’s 1983 Economic Journal piece was a review of the 1982 book, not the originating work itself, but it registered the importance of a framework that reconnected modern economics to Schumpeter, behavioral theories of the firm, and evolutionary reasoning.

After this work, economists could model technical change as an endogenous, cumulative process: firms differed because they embodied different routines; innovation emerged from localized search; and markets changed by selecting among diverse practices rather than by instantly coordinating identical optimizers. This opened a research program in industrial dynamics, innovation studies, organizational learning, and neo-Schumpeterian growth theory. It also helped make simulation and population-level models respectable tools for studying economic change, especially where closed-form equilibrium models could not capture persistent diversity, technological regimes, or historical lock-in.

Its influence is visible in later work on national innovation systems, dynamic capabilities, technological trajectories, evolutionary game and agent-based economics, and the empirical study of firm capabilities. The paradigm shift was not that economic change could be analogized to biology in a loose way, but that economic theory could be built around variation, retention, search, and selection while remaining grounded in observable organizational behavior. That made it possible to study capitalism as a restless, adaptive system whose long-run growth depends not only on prices and incentives, but on the creation, preservation, and transformation of productive knowledge inside firms and industries.

Abstract

Journal Article An Evolutionary Theory of Economic Change Get access An Evolutionary Theory of Economic Change. By Richard R. Nelson and Sidney G. Winter. (Cambridge, Massachusetts & London: Harvard University Press, 1982. Pp. xi +437. £17.50.) Brian J. Loasby Brian J. Loasby University of Stirling Search for other works by this author on: Oxford Academic Google Scholar The Economic Journal, Volume 93, Issue 371, 1 September 1983, Pages 652–654, https://doi.org/10.2307/2232409 Published: 01 September 1983

Sources