Theoretical Economics 18 (2023), 561–596
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Loss aversion in sequential auctions
Antonio Rosato
Abstract
I analyze sequential auctions with expectations-based loss-averse bidders who have independent private values and unit demand. Equilibrium bids are history dependent and subject to a discouragement effect: the higher the winning bid in the current round is, the less aggressive the bids of the remaining bidders in the next round. Moreover, because they experience a loss in each round in which they fail to obtain an object, bidders are willing to pay a premium in order to win sooner rather than later. This desire to win earlier leads prices to decline in equilibrium. I also show how various disclosure policies regarding the outcome of earlier auctions affect equilibrium bids, and that sequential and simultaneous auctions are neither bidder-payoff equivalent nor revenue equivalent.
Keywords: Loss aversion, sequential auctions, afternoon effect
JEL classification: D03, D44,D81, D82
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