AbstractEfficiency in competitive search equilibrium requires that heterogeneous workers search in different search markets. In this paper we construct a competitive search model with a given number of search markets, where the workers only observe the wages offered in a limited number of submarkets. As a result, heterogeneous workers are not able to fully self-select into different submarkets, and all workers will end up searching in search markets in which there are also workers of other types. We show that the equilibrium of the model is a "Maximum segmentation allocation" (MSA), where workers are segmented to the largest degree possible given the information constraints. We show that the expected income of a given worker depends positively on the fraction of workers of his type in the economy. This gives rise to feedback effects. For instance, the return from investments in human capital is an increasing function of the fraction of workers that do invest, and this may lead to multiple equilibria.
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Bibliographic InfoPaper provided by Society for Economic Dynamics in its series 2007 Meeting Papers with number 732.
Date of creation: 2007
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Postal: Society for Economic Dynamics Christian Zimmermann Economic Research Federal Reserve Bank of St. Louis PO Box 442 St. Louis MO 63166-0442 USA
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- Masters, Adrian M, 1998. "Efficiency of Investment in Human and Physical Capital in a Model of Bilateral Search and Bargaining," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 39(2), pages 477-94, May.
- Acemoglu, Daron & Shimer, Robert, 2000. "Wage and Technology Dispersion," Review of Economic Studies, Wiley Blackwell, vol. 67(4), pages 585-607, October.
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