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Amazon Self-preferencing in the Shadow of the Digital Markets Act
Waldfogel, Joel - National Bureau of Economic Research - 2024
Regulators around the world are discussing, or taking action to limit, self-preferencing by large platforms. This paper explores Amazon's search rankings of its own products as the European Union's Digital Markets Act (DMA) was coming into effect. Using data on over 8 million Amazon search...
Persistent link: https://www.econbiz.de/10014528339
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Antitrust, Regulation, and User Union in the Era of Digital Platforms and Big Data
Cong, Lin William; Mayer, Simon - National Bureau of Economic Research - 2023
We model platform competition with endogenous data generation, collection, and sharing, thereby providing a unifying …
Persistent link: https://www.econbiz.de/10013537775
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Anti-Lemons : School Reputation and Educational Quality
MacLeod, W. Bentley - 2009
Friedman (1962) argued that a free market in which schools compete based upon their reputation would lead to an …: school reputation in the spirit of Holmstrom (1982). The first result is that if schools cannot select students based upon … are allowed to select on ability, then competition leads to stratification by parental income, increased transmission of …
Persistent link: https://www.econbiz.de/10012463538
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Self-Preferencing at Amazon : Evidence from Search Rankings
Farronato, Chiara; Fradkin, Andrey; MacKay, Alexander - National Bureau of Economic Research - 2023
We study whether Amazon engages in self-preferencing on its marketplace by favoring its own brands (e.g., Amazon Basics) in search. To address this question, we collect new micro-level consumer search data using a custom browser extension installed by a panel of study participants. Using this...
Persistent link: https://www.econbiz.de/10013537786
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Platform Information Provision and Consumer Search : A Field Experiment
Fang, Lu; Chen, Yanyou; Farronato, Chiara; Yuan, Zhe; … - National Bureau of Economic Research - 2024
Despite substantial efforts to help consumers search in more intuitive ways, text search remains the predominant tool for product discovery online. In this paper, we explore the effects of visual and textual cues for search refinement on consumer search and purchasing behavior. We collaborate...
Persistent link: https://www.econbiz.de/10014486191
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Kill Zone
Kamepalli, Sai Krishna - 2020
We study why high-priced acquisitions of entrants by an incumbent do not necessarily stimulate more innovation and entry in an industry (like that of digital platforms) where customers face switching costs and enjoy network externalities. The prospect of an acquisition by the incumbent platform...
Persistent link: https://www.econbiz.de/10012481729
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Bayesian Persuasion with Lie Detection
Ederer, Florian; Min, Weicheng - National Bureau of Economic Research - 2022
How does lie detection constrain the potential for one person to persuade another to change her action? We consider a model of Bayesian persuasion in which the Receiver can detect lies with positive probability. We show that the Sender lies more when the lie detection probability increases. As...
Persistent link: https://www.econbiz.de/10013210093
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(Pro-) Social Learning and Strategic Disclosure
Bénabou, Roland; Vellodi, Nikhil - National Bureau of Economic Research - 2024
We study a sequential experimentation model with endogenous feedback. Agents choose between a safe and risky action, the latter generating stochastic rewards. When making this choice, each agent is selfishly motivated (myopic). However, agents can disclose their experiences to a public record,...
Persistent link: https://www.econbiz.de/10014544761
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It Hurts To Ask
Bénabou, Roland; Jaroszewicz, Ania; Loewenstein, George F. - National Bureau of Economic Research - 2022
We analyze the offering, asking, and granting of help or other benefits as a three-stage game with bilateral private information between a person in need of help and a potential help-giver. Asking entails the risk of rejection, which can be painful: since unawareness of the need can no longer be...
Persistent link: https://www.econbiz.de/10013388842
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Optimal Income Taxation
Kaplow, Louis - National Bureau of Economic Research - 2022
This article explores subjects in optimal income taxation characterized by recent research interest, practical importance in light of concerns about inequality, potential for misunderstanding, and prospects for advancement. Throughout, the analysis highlights paths for further investigation....
Persistent link: https://www.econbiz.de/10013334417