Fishing for fools

Ulrike Malmendier and Adam Szeidl

Games and Economic Behavior, 2020, vol. 122, issue C, 105-129

Abstract: We show that common market settings tend to amplify rather than reduce the effect of behavioral biases on prices and other market outcomes. We study two common market mechanisms, auctions and fixed-price markets, and establish three results. First, agents with upward-biased valuations have an amplified effect on market outcomes because markets over-select them relative to their population share. Intuitively, markets “fish for fools.” Second, auctions are often more efficient at “fishing” than fixed-price markets because a larger share of biased agents is required for prices to move in the fixed-price setting. Third, sellers respond to this difference and choose the less efficient but more profitable selling mechanism. They may also engage in inefficient complementary actions such as overproducing the good and over-recruiting buyers. We provide evidence from several markets, including eBay, housing markets, and financial markets.

Keywords: Auctions; Fixed-price markets; Behavioral biases; Overbidding; Amplification (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:gamebe:v:122:y:2020:i:c:p:105-129

DOI: 10.1016/j.geb.2020.03.011

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