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On the Identification of the Costs of Simultaneous Search


Author Info

  • Jose L. Moraga-Gonzalez

    (ICREA, IESE Business School, and University of Groningen)

  • Zsolt Sandor

    (University of Groningen)

  • Matthijs R. Wildenbeest

    (Kelley School of Business, Indiana University)


This paper studies the identification of the costs of simultaneous search in portfolio problems (Chade and Smith, 2006). We show that market shares data from a single market do not provide sufficient information to identify the search cost distribution in any interval, even if utilitydistributions are known to the econometrician. We then show that by pooling data from markets wherethe alternatives that similar decision makers confront vary, the search cost distribution and theutility parameters of the logit demand model can be identified.

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Bibliographic Info

Paper provided by Tinbergen Institute in its series Tinbergen Institute Discussion Papers with number 10-066/1.

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Date of creation: 13 Jul 2010
Date of revision: 12 May 2011
Handle: RePEc:dgr:uvatin:20100066

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Keywords: search costs; portfolio choice; non-parametric identification; logit demand;

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