Nonsequential search equilibrium with search cost heterogeneity
We generalize the model of Burdett and Judd (1983) to the case where an arbitrary finite number of firms sells a homogeneous good to buyers who have heterogeneous search costs. We show that a price dispersed symmetric Nash equilibrium always exists. Numerical results show that the behavior of prices with respect to the number of firms hinges upon the shape of the search cost distribution: when search costs are relatively concentrated (dispersed), entry of firms leads to higher (lower) average prices.
|Date of creation:||13 Jul 2010|
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- Moraga-González, José Luis & Wildenbeest, Matthijs R., 2008.
"Maximum likelihood estimation of search costs,"
European Economic Review,
Elsevier, vol. 52(5), pages 820-848, July.
- Han Hong & Matthew Shum, 2006. "Using price distributions to estimate search costs," RAND Journal of Economics, RAND Corporation, vol. 37(2), pages 257-275, 06.
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