Suggested versus Extended Gifts: How Alternative Market Institutions Mitigate Moral Hazard

Daniel Houser, Jason Shachat and Weiwei Zheng ()
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Weiwei Zheng: European University Institute

Working Papers from Chapman University, Economic Science Institute

Abstract: Gift exchange can partially mitigate supply-side moral hazard, even in anonymous market interactions. In a market where quality is not fully contractable, the amount that a price exceeds the market-clearing price for the lowest quality is a gift from the buyer. We show that the gift formation process, inextricably linked with a market institution’s price formation process, greatly infuences the size and efectiveness of the gift. When the market institution dictates that prices are formed by bids posted by buyers, the gift is extended to the seller. When the market institution dictates that prices are formed by ofers posted by sellers, the gift is suggested by the seller. We conjecture that extended gifts do not instill as strong a concern for the material welfare of the other party as suggested gifts. We show in experiments that this efect is quite profound in both monopsonist and thick markets. Posted ofer markets generate higher prices, in turn larger gifts, and higher levels of product quality than posted bid ones. In addition, the posted ofer institution generates a higher quality given the price, rather than simply generating higher prices. Both sides of the market obtain higher payofs under posted ofer institutions.

Keywords: market institution; moral hazard; gift-exchange game; other-regarding preference (search for similar items in EconPapers)
JEL-codes: C90 D47 L14 (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:chu:wpaper:23-11

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