[NOVEMBER The Nature of the Firm By R. H. COASE ECONOMIC theory has suffered in the ancient from a failure to state clearly its assumptions. Economists in make up a theory have a great deal omitted to judge the foundations on which it was erected. This examination is, however, essential not alto give wayher to counteract the misunderstanding and needless controversy which arise from a neediness of knowledge of the assumptions on which a theory is based, but withal beca consumption of the extreme importance for economics of good judgment in choosing between rival rears of assumptions. For instance, it is suggested that the use of the rule book squiffy in economics may be different from the use of the status by the plain man.l Since there is plainly a trend in economic theory towards offset summary with the individual firm and not with the industry,2 it is all the much indispensable not only that a clear comment of the word firm should be given but that i ts difference of opinion from a firm in the sure human, if it exists, should be do clear. Mrs. Robinson has tell that t h e two questions to be asked of a set of assumptions in economics a r e : Are they malleable ? and : Do they correspond with the real world ? 3 Though, as Mrs.

Robinson points out, more often nonpareil set will be manageable and the other realistic, as yet there may well be branches of theory where assumptions may be both manageable and realistic. It is hoped to show in the pursual subject that a definition of a firm may be obtained which is not only realistic in that it corresponds to what is me ant by a firm in the real world, but is trac! table by two of the most powerful instruments of economic synopsis authentic by Marshall, the thinking of the margin and that of substitution, together better-looking the idea of substitution a t 1 2 3 Joan Robinson, I~corro~rrzcs a Serious Subjecr, p. 12. as control N. Kaldor, T h e Equilibriuin of the Finn, h c o m m z c J o u r m l , March, 1934 Op. cit., p. 6. 386 19371 T H E NATURE O F T...If you deprivation to get a full essay, order it on our website:
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