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Daniel F. Garrett, Renato Gomes, and Lucas Maestri

vol. 79, n. 102735, December 2021, 32 pages

We study competition by firms that simultaneously post (potentially nonlinear) taris to consumers who are privately informed about their tastes. Market power stems from informational frictions, in that consumers are heterogeneously informed about firms' oers. In the absence of regulation, all firms...

Olivier De Groote, and Koen Declercq

vol. 36, n. 7, 2021, pp. 898–916

We analyze the impact of choosing an elite school on high school graduation in an early tracking system in Flanders (Belgium). Whereas elite schools offer only an academic track, most other schools offer multiple tracks. On average, students experience a 3.3 percentage point increase in the...

David Martimort, Jérôme Pouyet, and Thomas Tregouet

vol. 79, n. 102791, December 2021

An incumbent seller contracts with a buyer under the threat of entry. The contract stipulates a price and a penalty for breach if the buyer later switches to the entrant. Sellers are heterogenous in terms of the gross surplus they provide to the buyer. The buyer is privately informed on her...

Alexandre de Cornière, and Greg Taylor

vol. 131, n. 640, 2021, pp. 3122–3144

Laurent Miclo, and Stéphane Villeneuve

vol. 58, n. 4, 2021, pp. 1043–1063

We revisit the forward algorithm, developed by Irle, to characterize both the value function and the stopping set for a large class of optimal stopping problems on continuous-time Markov chains. Our objective is to renew interest in this constructive method by showing its usefulness in solving some...

Gladys Barragan, and Astrid Hopfensitz

vol. 110, n. 12, December 2021, pp. 3302–3304

J. Simoes, D. Moran, S. Edwards, Céline Bonnet, A. Lopez-Sebastian, and P. Chemineau

vol. 15, n. 1, December 2021

Bruno Jullien, and Wilfried Sand-Zantman

vol. 54, n. 100880, 2021

We propose an analysis of platform competition based on the academic literature with a view towards competition policy. First, we discuss to which extent competition can emerge in digital markets and show which forms it can take. In particular, we underline the role of dynamics, but also of...

A. Djogbenou, Christian Gouriéroux, and Joann Jasiak

n. nbaa047, 2021

Christian Gollier

Francesco Caselli, Rick van der Ploeg, and Alexander Ludwig (eds.), CEPR, 2021