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New Microfoundations for the Aggregate Matching Function, with Empirical and Theoretical Implications

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Author Info
Margaret Stevens

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Abstract

Although a number of different models have been suggested for the process that brings workers and firms together in the labour market, none of these performs well in empirical studies of the aggregate matching function. Empirically, the most successful functional form is Cobb-Douglas, for which there are no microfoundations in the existing literature. I present a new model for the matching process, based on a `telephone line` Poisson queuing process. This implies a CES matching function, approximately Cobb-Douglas when marginal search costs are approximately constant. The model provides an interpretation for empirical evidence, and insight into the theoretical efficiency conditions for matching models.

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Paper provided by University of Oxford, Department of Economics in its series Economics Series Working Papers with number 095.

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Date of creation: 2002
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Handle: RePEc:oxf:wpaper:095

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Related research
Keywords: search matching function

Find related papers by JEL classification:
J41 - Labor and Demographic Economics - - Particular Labor Markets - - - Labor Contracts

References listed on IDEAS
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  1. Diamond, Peter A, 1982. "Aggregate Demand Management in Search Equilibrium," Journal of Political Economy, University of Chicago Press, vol. 90(5), pages 881-94, October. [Downloadable!] (restricted)
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  2. Coles, Melvyn G, 1999. "Turnover Externalities with Marketplace Trading," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 40(4), pages 851-68, November.
  3. Peters, Michael, 1984. "Bertrand Equilibrium with Capacity Constraints and Restricted Mobility," Econometrica, Econometric Society, vol. 52(5), pages 1117-27, September. [Downloadable!] (restricted)
  4. Moen, Espen R, 1997. "Competitive Search Equilibrium," Journal of Political Economy, University of Chicago Press, vol. 105(2), pages 385-411, April.
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  5. Hosios, Arthur J, 1990. "On the Efficiency of Matching and Related Models of Search and Unemployment," Review of Economic Studies, Blackwell Publishing, vol. 57(2), pages 279-98, April. [Downloadable!] (restricted)
  6. Mortensen, Dale T & Pissarides, Christopher, 1999. "New Developments in Models of Search in the Labour Market," CEPR Discussion Papers 2053, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
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  7. Barbara Petrongolo & Christopher A. Pissarides, 2001. "Looking into the Black Box: A Survey of the Matching Function," Journal of Economic Literature, American Economic Association, vol. 39(2), pages 390-431, June. [Downloadable!] (restricted)
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  8. Hall, Robert E., 1979. "A theory of the natural unemployment rate and the duration of employment," Journal of Monetary Economics, Elsevier, vol. 5(2), pages 153-169, April. [Downloadable!] (restricted)
  9. Olivier Jean Blanchard & Peter A. Diamond, 1991. "The Aggregate Matching Function," NBER Working Papers 3175, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  10. Acemoglu, Daron & Shimer, Robert, 1999. "Holdups and Efficiency with Search Frictions," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 40(4), pages 827-49, November.
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Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Heidi Soininen, 2007. "Finnish Evidence of Changes in Labor Market Matching," Finnish Economic Papers, Finnish Society for Economic Research, vol. 20(1), pages 57-71, Spring. [Downloadable!]
  2. Mathan Satchi & Jonathan Temple, 2006. "Growth and labour markets in developing countries," Bristol Economics Discussion Papers 06/581, Department of Economics, University of Bristol, UK. [Downloadable!]
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