Social Costs of Monopoly and Regulation / Richard A. Posner.

By:

Posner, Richard A

Contributor(s):

National Bureau of Economic Research

Material type: Text

TextSeries: Working Paper Series (National Bureau of Economic Research) ; no. w0055.Publication details: Cambridge, Mass. National Bureau of Economic Research 1974.Description: 1 online resource: illustrations (black and white)Online resources:

Available additional physical forms:

Hardcopy version available to institutional subscribers

Abstract: When an industry is monopolized, price rises above and output falls below the competitive level. Those who continue to buy the product at the higher price suffer a loss, but this loss is exactly offset by the additional revenue that the monopolist obtains by charging the higher price. Other consumers, who are deflected by the higher price to substitute goods, suffer a loss, that is not offset by gains to the monopolist. This is the "deadweight loss" from monopoly, and in conventional analysis the only social cost of monopoly. The loss suffered by those who continue to buy the product at the higher cost is regarded merely as a transfer from consumers to owners of the monopoly seller and has not previously been factored into the social costs of monopoly. However, the existence of an opportunity to obtain monopoly profits will attract resources into efforts to obtain monopolies, and the opportunity costs of those resources are social costs of monopoly, too. Although the tendency of monopoly rents to be transformed into costs is no longer a novel insight, its implications both for the measurement of the aggregate social costs of monopoly and for a variety of other important issues relating to monopoly and public regulation (including tax policy) continue to be ignored. The present paper is an effort to rectify this neglect. Part I introduces the material. Part II presents a simple model of the social costs of monopoly, conceived as the sum of the deadweight loss and the additional loss resulting from the competition to become a monopolist. Part III uses the model to estimate the social costs of monopoly in the United States, and the social benefits of antitrust enforcement. Part IV explores the implications of the analysis for a variety of issues relating to monopoly and public regulation, such as public policy toward price discrimination and the choice between income and excise taxation.

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Previous	nber w0052 Transportation/Communication Considerations in the Location of Headquarters for Multi-Establishment Manufacturing Firms /	nber w0053 Progress in Human Capital Analysis of the Distribution of Earnings /	nber w0054 Bilateral Trade as a Development Instrument Under Global Trade Restrictions /	nber w0055 Social Costs of Monopoly and Regulation /	nber w0056 Comparison of Robust and Varying Parameter Estimates of a Macroeconometric Model /	nber w0057 Varying-Parameter Supply Functions and the Sources of Economic Distress in American Agriculture, 1866-1914 /	nber w0058 A Monte Carlo Study of Two Robust Alternatives of Least Square Regression Estimation /	Next

September 1974.

When an industry is monopolized, price rises above and output falls below the competitive level. Those who continue to buy the product at the higher price suffer a loss, but this loss is exactly offset by the additional revenue that the monopolist obtains by charging the higher price. Other consumers, who are deflected by the higher price to substitute goods, suffer a loss, that is not offset by gains to the monopolist. This is the "deadweight loss" from monopoly, and in conventional analysis the only social cost of monopoly. The loss suffered by those who continue to buy the product at the higher cost is regarded merely as a transfer from consumers to owners of the monopoly seller and has not previously been factored into the social costs of monopoly. However, the existence of an opportunity to obtain monopoly profits will attract resources into efforts to obtain monopolies, and the opportunity costs of those resources are social costs of monopoly, too. Although the tendency of monopoly rents to be transformed into costs is no longer a novel insight, its implications both for the measurement of the aggregate social costs of monopoly and for a variety of other important issues relating to monopoly and public regulation (including tax policy) continue to be ignored. The present paper is an effort to rectify this neglect. Part I introduces the material. Part II presents a simple model of the social costs of monopoly, conceived as the sum of the deadweight loss and the additional loss resulting from the competition to become a monopolist. Part III uses the model to estimate the social costs of monopoly in the United States, and the social benefits of antitrust enforcement. Part IV explores the implications of the analysis for a variety of issues relating to monopoly and public regulation, such as public policy toward price discrimination and the choice between income and excise taxation.