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Matteo Bobba, Tim Ederer, Gianmarco Leon-Ciliotta, Christopher Neilson et Marco Nieddu
n° 21-1232, juillet 2021, révision mars 2024
We exploit data on the universe of public-school teachers and students in Peru´ to establish that wage rigidity makes teachers choose schools based on non-pecuniary factors, magnifying the existing urban-rural gap in student achievement. Leveraging a reform in the teacher compensation structure, we...
Sébastien Gadat, Bernard Bercu, Jérémie Bigot et Emilia Siviero
n° 21.1231, juillet 2021
We introduce a new second order stochastic algorithm to estimate the entropically regularized optimal transport cost between two probability measures. The source measure can be arbitrary chosen, either absolutely continuous or discrete, while the target measure is assumed to be discrete. To solve...
Bruno Jullien, Alessandro Pavan et Marc Rysman
n° 21-1238, juillet 2021
The chapter has 9 sections, covering the theory of two-sided markets and related empirical work. Section 1 introduces the reader to the literature. Section 2 covers the case of markets dominated by a single monopolistic rm. Section 3 discusses the theoretical literature on competition for the...
Catarina Goulão et Agustín Pérez-Barahona
n° 21-1236, juillet 2021, révision juin 2023
We look at how social norms regarding health affect the dynamics of an epi-demic of non-communicable chronic diseases (NCDs). We present an overlapping generations model in which agents live for three periods (childhood, adulthood and old age). Adulthood consumption choices have an impact on the...
Jean Tirole
vol. 13, juin 2021, p. 1–17
Emmanuel Farhi passed away on July 23, 2020. After depicting his scientific style and values, this tribute discusses how he transformed the theory of taxation, macroeconomics, and international finance, and describes his approach and insights through a sample of his remarkable contributions to...
Jeremy Fox
Online, juin 2021, révision 10 juin 2026
Yinghua He
Christian Hellwig
n° 21-1224, juin 2021
I analyze dynamic Mirrlees taxation with preferences that are non-separable between con- sumption, leisure and type, which determines both ability and consumption needs. I show how to account for non-separable preferences through a simple change in probability measures. I ge- neralize the existing...
Céline Bonnet et Clara Etcheverry
n° 21-1225, juin 2021, révision janvier 2022
The online distribution channel expands in many sectors, and the food industry is not left out. This paper analyzes the impact of ecommerce on French grocery shopping. Using purchase data, we develop a structural econometric model of demand and supply to estimate the effect of the emergence of...
Andrea Attar, Eloisa Campioni, Thomas Mariotti et Alessandro Pavan
n° 21-1227, juin 2021, révision juin 2025
We study the design of market information in competing-mechanism games. We identify a new dimension, private disclosures, whereby the principals asymmetrically inform the agents of how their mechanisms operate. We show that private disclosures have two important effects. First, they can raise a...
