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Ingela Alger et Laurent Lehmann
n° 23-1405, janvier 2023, révision mai 2023
We model the evolution of preferences guiding behavior in pairwise interactions in group-structured populations. The model uses long-term evolution theory to examine different interaction scenarios, including con-ditional preference expression upon recognition of the partner’s type. We apply the...
Marie Brière, Karen Huynh, Olav Laudy et Sébastien Pouget
n° 23-1401, janvier 2023
Using textual data extracted by Causality Link platform from a large variety of news sources (news stories, call transcripts, broker re-search, etc.), we build aggregate news signals that take into account the tone, the tense and the prominence of various news statements about a given firm. We test...
Alexandre de Cornière et Greg Taylor
n° 23-1404, janvier 2023, révision août 2024
Does enhanced access to data foster or hinder competition among firms? Using a competition-in-utility framework that encompasses many situations where firms use data, we model data as a revenue-shifter and identify two opposite effects: a mark-up effect according to which data induces firms to...
Stefan Lamp et Mario Samano
vol. 10, n° 1, janvier 2023
Policies to incentivize the adoption of renewable energy sources usually offer little flexibility to adapt to heterogeneous benefits across locations. We evaluate the geographical misallocation of solar photovoltaic installations and their relation with the uniform nature of subsidies. We estimate...
Gabriel Ulyssea, Matteo Bobba et Lucie Gadenne
vol. 6, n° 1, janvier 2023
Most low- and middle-income countries are characterised by a large informal sector, which implies that a substantial fraction of economic activity in these countries is completely unregulated. This has important implications for the behaviour of firms, workers, families, and consumers, with these...
Aksel Erbahar et Vincent Rebeyrol
vol. 140, n° 103693, janvier 2023
This paper shows that manufacturing exporters export goods that they have not produced and thus also act as trade intermediaries. The geographical dimension of the data reveals that almost half of these exports of “sourced” products are purely intermediated: to many destinations, firms export...
David Le Bris et Victor Gay
vol. 18, n° 1, janvier 2023
Psychological traits display substantial variation worldwide. These psychological variations could be explained by the intensity of kinship ties which, we hypothesize, depends on the reception of innovations that gradually complexified family organizations. These innovations originated from several...
Luca Sandrini (Budapest University of Technology and Economics)
TSE, 2022
Gilles Lafforgue, Jean-Pierre Amigues, Ujjayant Chakravorty et Michel Moreaux
n° 147, 2022, p. 51–78
In order to encourage substitution of fossil fuels by cleaner renewables, regulatory agencies have generally chosen between two types of renewable energy standards. They have either mandated a minimum volume of renewable energy as in the case of ethanol in transport fuels, and for electricity in...
Estelle Malavolti et Chunan Wang
vol. 2022, 2022
In the context of the SESAR (Single European Sky Air traffic management Research) Joint Undertaking, the role that the air navigation service provider (ANSP) could play has been reconsidered. ANSP manages traffic and deals with potential conflict situations and external events, which have led to...
