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Entry, Fixed Costs and the Aggregation of Private Information

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  • Rafael Rob

Abstract

We investigate the ability of the price system to aggregate private information in a market of uncertain size and where set-up costs are incurred by entrants. It is shown that the equilibrium is random even when the totality of private information is so large that aggregate uncertainty is virtually non-existent. In particular, the limiting equilibrium does not approach the full-information, Walrasian outcome. Hence, the model identifies a technological factor (increasing returns) which gives rise to informational losses.

Suggested Citation

  • Rafael Rob, 1987. "Entry, Fixed Costs and the Aggregation of Private Information," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 54(4), pages 619-630.
    • Handle: RePEc:oup:restud:v:54:y:1987:i:4:p:619-630.
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    File URL: http://hdl.handle.net/10.2307/2297485
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    Cited by:

    1. Vettas, Nikolaos, 2000. "On entry, exit, and coordination with mixed strategies," European Economic Review, Elsevier, vol. 44(8), pages 1557-1576, August.
    2. Khan, M. Ali & Rath, Kali P. & Sun, Yeneng, 1997. "On the Existence of Pure Strategy Equilibria in Games with a Continuum of Players," Journal of Economic Theory, Elsevier, vol. 76(1), pages 13-46, September.
    3. Lorenzo Rocco, 2007. "Anonymity in nonatomic games," International Review of Economics, Springer;Happiness Economics and Interpersonal Relations (HEIRS), vol. 54(2), pages 225-247, June.
    4. Xavier Vives, 2000. "Allocative and Productive Efficiency in REE with Asymetric Information," UFAE and IAE Working Papers 473.00, Unitat de Fonaments de l'Anàlisi Econòmica (UAB) and Institut d'Anàlisi Econòmica (CSIC).

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