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  • December 2021
  • Article
  • International Journal of Industrial Organization

Auctioneers Sometimes Prefer Entry Fees to Extra Bidders

By: Jiafeng Chen and Scott Duke Kominers
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Abstract

We investigate a market thickness–market power tradeoff in an auction setting with endogenous entry. We find that charging admission fees can sometimes dominate the benefit of recruiting additional bidders, even though the fees themselves implicitly reduce competition at the auction stage. We also highlight that admission fees and reserve prices are different instruments in a setting with uncertainty over entry costs, and that optimal mechanisms in such settings may be more complex than simply setting a reserve price. Our results provide a counterpoint to the broad intuition of Bulow and Klemperer (1996) that market thickness often takes precedence over market power in auction design.

Keywords

Entry; Reserve Prices; Entry Fees; Auctions; Design

Citation

Chen, Jiafeng, and Scott Duke Kominers. "Auctioneers Sometimes Prefer Entry Fees to Extra Bidders." Art. 102737. International Journal of Industrial Organization 79 (December 2021).
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About The Author

Scott Duke Kominers

Entrepreneurial Management
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