Israel M. Kirzner, “Competition and the Market Process: Some Doctrinal Milestones”

This file is a single-author scholarly chapter in an edited volume. Its scope is doctrinal history: Kirzner traces how twentieth-century economics moved, unevenly, from identifying competition with the perfectly competitive equilibrium model to recovering competition as a dynamic market process.

As the twentieth century nears its conclusion, economic policy-makers (if not the economic theory textbooks) have to a considerable extent come to recognize that the advantages of competition are to be found in the dynamics of the process of competition, rather than in the imagined state of affairs identified in the textbook model of competition.

Kirzner’s central thesis is that the market’s virtues cannot be understood by asking whether reality approximates perfect competition. What matters is rivalry, entry, discovery, and entrepreneurial adjustment. The chapter is structured as a sequence of doctrinal milestones: the pre-1930 place of the PC model, revisionist histories of classical and neoclassical competition, Hayek’s decisive 1946 clarification, the mid-century neglect of that clarification, and the late-century reopening of competition theory through work on information, entry, contestability, and industrial organization.

Kirzner accepts much of Machovec’s revisionism against Stigler: classical economists did not simply grope toward the Knightian PC model. Yet he also resists making early neoclassical economics fully “process” oriented. His subtler claim is that formalization gradually shifted attention away from competitive activity and toward equilibrium outcomes.

In brief, it would appear that, under the influence of increasing analytic formalization (manifested partly but not exclusively in increased use of geometrical—and eventually more general mathematical—tools) neoclassical economics came to focus more and more on the outcomes of economic processes and less and less on these processes themselves.

One of the chapter’s most important historical reversals concerns Chamberlin and Robinson. Their monopolistic-competition critique is usually remembered as challenging perfect competition; Kirzner argues that it also made the PC model more central by sharpening the static benchmark against which imperfect markets were judged.

Paradoxically, therefore, it was the very effort to dislodge the PC model (in favor of the equally static, but less unrealistic model of monopolistic competition) which thrust that PC model into the analytical limelight.

Hayek is the chapter’s pivot. Kirzner presents “The Meaning of Competition” as the first explicit recognition that competition as an equilibrium state and competition as an active process are conceptually distinct. Hayek’s importance lies in showing that the PC model assumes the very coordination that competition must explain.

Cutting through a veritable forest of confusion in the literature, he was putting his finger on the root difficulty with the profession's preoccupation with the PC model: its being an equilibrium model inherently incapable of offering help in understanding how equilibrium might possibly be approached.

The subsequent sections show how slowly this insight entered the profession. Mises grasped its significance, but Hayek’s paper was largely ignored. Meanwhile, Schumpeter, J.M. Clark, Shorey Peterson, and Abbott preserved aspects of active competition, though often without dislodging the mainstream’s structural vocabulary. Kirzner stresses the policy cost of that vocabulary: if “competitive” means only the PC structure, then entry, advertising, product differentiation, and rivalry can be misdescribed as monopoly elements rather than as competitive acts.

The late-twentieth-century turn is deliberately plural rather than sectarian. Richardson on information, Rothbard and McNulty on Austrian competition, Sylos-Labini and Brozen on entry, Demsetz on bidding and natural monopoly, contestable-market theory, and Weston’s “new learning” all weaken the monopoly/PC dichotomy. Kirzner does not claim these writers form one school; their shared effect is to restore attention to competitive process.

The chapter’s relevance is therefore not semantic but theoretical and policy-oriented. Kirzner relocates the free-market case from the fiction that markets already satisfy PC conditions to the capacity of rivalry to discover information, expose errors, and coordinate plans.

It is the rivalrous competition described by Adam Smith, the entrepreneurial process described by Ludwig von Mises, and the knowledge-discovery procedure described by Friedrich Hayek, which has been “rediscovered” by a significant proportion of the economics profession, as this century reaches its conclusion.