In this paper a general equilibrium model is constructed to explain the emergence of firms and change in firm size by the tradeoff between economies of specialization and transaction cost. We show that firms emerge from the development of division of labor if the transaction efficiency for labor is smaller than that for intermediate goods. Given the emergence of firms, change in the average size of firms (average employment) will depend on the change in transaction efficiency for intermediate goods relative to that for labor. If the transaction efficiency is improved in such a way that the transaction efficiency for intermediate goods becomes higher than that for labor, average employment will decrease. We present evidence showing that it is not uncommon that average employment declines as the economy develops. The general equilibrium model provides an explanation for the concurrent increase of productivity and decrease in average employment which is observed in a number of countries. Models based on economies of scale instead of economies of specialization would have yielded the opposite prediction.
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Paper provided by Chicago - Graduate School of Business in its series Papers with number
10.
Find related papers by JEL classification: D23 - Microeconomics - - Production and Organizations - - - Organizational Behavior; Transaction Costs; Property Rights L11 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Production, Pricing, and Market Structure; Size Distribution of Firms L22 - Industrial Organization - - Firm Objectives, Organization, and Behavior - - - Firm Organization and Market Structure L23 - Industrial Organization - - Firm Objectives, Organization, and Behavior - - - Organization of Production L33 - Industrial Organization - - Nonprofit Organizations and Public Enterprise - - - Boundaries of Public and Private Enterprise; Privatization; Contracting Out
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