In spite of assigning little influence of economists' preachings on actual public policy, I do not believe that economists' influence is negligible. The reconciliation of these views lies in the fact that economists are scientists as well as preachers. Our science seeks to understand how economic institutions and economic systems work, and no informed person can deny that we have made much progress in this work.

We are entitled to be disappointed, but not to be surprised, by the persistence of governmental intervention in economic life. A school of thought attributes great influence to public opinion in the movements toward or away from laissez-faire. Among the many members of this school one may mention Albert Venn Dicey, John Maynard Keynes, and Milton Friedman.

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A useful role exists for the economist is making calculations of the prospective costs and/or benefits of alternative policies. This role is precisely the one Keynes had in mind, I assume, when he expressed the hope that we would become useful after the fashion of dentists.

I do not conceal my lack of admiration for a pain fully long list of redistributive measures undertaken by modern governments. Many serve no ethically accepted purpose such as compassion for the needy; indeed, they serve only as recognition of which groups possess or lack political influence.

It was in the 1960s that I began the detailed study of public regulation. My interests were aroused, and my faith in the cliches of the subject destroyed, as so often with other subjects, by the discussions with my friend, Aaron Director. This wonderful man is that rarest of scholars: a clear-headed, imaginative, erudite man who enjoys the task of constructing luminous and original theories but does not even write them down!

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Early in my professional life, I found that many areas of economics attracted me. I started working and publishing in price theory by 1938. In 1946, I published an early work on linear programming (The Cost of Subsistence) which solved the problem only approximately; George Dantzig soon presented the exact solution. In the 1940s, I began empirical work on price theory, starting with a test of the kinked oligopoly demand curve theory of rigid prices.

The delicate and intricate pattern of competition and cooperation in the economic behavior of the hundreds of thousands of citizens of Stockholm offers a challenge to the economist that is perhaps as complex as the challenges of the physicist and the chemist.

Unlike the members of the physical and biological sciences, the economist is asked to explain his work in a manner that is interesting and convincing to a weary listener. Yet there is no reason to believe that the explanation of our economic and social world is inherently simpler than the explanation of our physical world.

Two main alternative views of the regulation of industry are widely held. The first is that regulation is instituted primarily for the protection and benefit of the public at large or some large subclass of the public. In this view, the regulations which injure the public -as when the oil import quotas increase the cost of petroleum products to America by $5 billion or more a year- are costs of some social goal (here, national defense) or, occasionally, perversions of the regulatory philosophy. the second view is essentially that the political process defies rational explanation: "politics" is an imponderable, a constantly and unpredictably shifting mixture of forces of the most diverse nature, comprehending acts of great moral virtue (the emancipation of slaves) and of the most vulgar venality (the congressman feathering his own nest).

Regulation may be actively sought by an industry, or it may be thrust upon it. A central thesis of this paper is that, as a rule, regulation is acquired by the industry and is designed and operated primarily for its benefit. There are regulations whose net effects upon the regulated industry are undeniably onerous; a simple example is the differentially heavy taxation of the industry's product (whiskey, playing cards). These onerous regulations, however, are exceptional and can be explained by the same theory that explains beneficial (we may call it "acquired") regulation.

The state --the machinery and power of the state-- is a potential resource or threat to every industry in the society. With its power to prohibit or compel, to take or give money, the state can and does selectively help or hurt a vast number of industries. That political juggernaut, the petroleum industry, is an immense consumer of political benefits, and simultaneously the underwriters of marine insurance have their more modest repast. The central tasks of the theory of economic regulation are to explain who will receive the benefits or burdens of regulation, what form regulation will take, and the effects of regulation upon the allocation of resources.

Consider the Negro as a neighbor. He is frequently repelled and avoided by the white man, but is it only color prejudice? On the contrary, it is because the Negro family is, on average, a loose, morally lax group, and brings with its presence a rapid rise in crime and vandalism. No statutes, no sermons, no demonstrations, will obtain for the Negro the liking and respect that sober virtues commend. And the leaders of Negro thought: they blame the crime and immorality upon the slums and the low income—as if individual responsibility could be bought with a thousand dollars a year.

Lacking education, lacking a tenacity of purpose, lacking a willingness to work hard, he will not be an object of employers' competition. What leader of Negro thought is fostering the ancient virtues of diligence and honesty and loyalty? It is so much easier to seek quotas for Negroes?