科斯：企业的性质（英文版）.pdfVIP

科斯：企业的性质（英文版） The Nature of the Firm (1937) R. H. COASE Economic theory has suffered in the past from a failure to state clearly its assumption. Economists in building up a theory have often omitted to examine the foundations on which it was erected. This examination is, however, essential not only to prevent the misunderstanding and needles controversy which arise from a lack of knowledge of the assumptions on which a theory is based, but also because of the extreme importance for economics of good judgment in choosing between rival sets of assumptions. For instance, it is suggested that the use of the word “firm” in economics may be different from the use of the term by the “plain man. ” Since there is apparently a trend in economic theory towards starting analysis with the individual firm and not with the industry,2 it is ail the more necessary not only that a clear definition of the word firm should be given but that its difference from a firm in the real world, if it aists, should be made clear. Mrs. Robinson has said that the two questions to be asked of a set of assumptions in economics are: Are they tractable? and: Do they correspond with the real world?3 Though, as Mrs. Robinson points out, More often one set will be manageable and the other realistic, yet there may well be branches of theory where assumptions may be both manageable and realistic. It is hoped to show in the following pap