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Yinghua He
Online, juin 2021, révision 10 juin 2026
Cristina Gualdani
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...
Jean-Paul Décamps, Fabien Gensbittel et Thomas Mariotti
n° 21-1222, juin 2021, révision décembre 2024
We study the optimal investment policy of a firm facing both technological and cash-flow uncertainty. At any point in time, the firm can decide to invest in a standalone technology or to wait for a technological breakthrough. Breakthroughs occur when market conditions become favorable enough,...
Eleonora Patacchini
Ariel Pakes (Harvard University)
Adam Rosen
Luis Candelaria
Sylvain Chabé-Ferret, Arnaud Reynaud et Eva Tène
n° 21-1229, juin 2021
The nitrogen cycle is one of the most disrupted geo-chemical cycles on earth. Human activity, mainly through intensive farming, releases nitrogen by-products such as nitrates and ammonium into the environment where they have wide ranging impacts on human health, biodiversity and climate change. One...
