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Céline Nauges, Sarah Ann Wheeler et Quentin R. Grafton
n° 24-1634, avril 2025
The allocation of water across space and time is a key challenge of water governance, with demand and supply often not well matched over time and place. Best practice water pricing and markets may promote water conservation, yet their application is limited. We highlight the governance principles...
Philippe De Donder, David Bardey et Vera Zaporozhets
vol. 4, n° 26, avril 2025
We review the medico-economic literature assessing the economic value of diagnostic and prognostic tests, with a focus on innovative and, more specifically, companion tests. Our analysis begins with a summary of systematic reviews that provide a descriptive synthesis of existing findings rather...
André Grimaud et Luc Rougé
n° 25-1633, avril 2025
Technical progress is considered a key element in the ght against climate change. It may take the form of technological breakthroughs, that is, shocks that induce signicant leaps in the stock of knowledge. We use an endogenous growth framework with directed technical change to analyze the climate...
Abdelaati Daouia et Gilles Stupfler
n° 25-1632, avril 2025
The use of quantiles forms the basis of the overwhelming majority of current risk management procedures. Yet, there exist alternative instruments of risk protection that are not (unlike quantiles) based solely on the frequency of tail observations and instead take their severity into account, while...
Philippe De Donder, Humberto Llavador, Stefan Penczynski, John E. Roemer et Roberto Vélez
avril 2025
The vaccination game exhibits positive externalities. The standard game-theoretic approach assumes that parents make decisions according to the Nash protocol, which is ndividualistic and non-cooperative. However, in more solidaristic societies, parents may behave cooperatively, optimizing according...
Jorge Ale-Chilet, Cuicui Chen, Jing Li et Mathias Reynaert
We study collusion among firms against imperfectly monitored environmental regulation. Firms increase variable profits by violating regulation and reduce expected noncompliance penalties by violating jointly. We consider a case of three German automakers colluding to reduce the effectiveness of...
Giacomo Lemoli
vol. 58, n° 5, avril 2025, p. 890–923
This paper studies the relationship between ethnic media, which produce content in a minority language, and the success of ethnic parties. I argue that, by embedding cultural traits in entertainment products, media outlets can shape the salience of group identity, which helps parties’ mobilization...
Alexandre de Cornière, Andrea Mantovani et Shiva Shekhar
vol. 71, n° 4, avril 2025, p. 3340–3356
We investigate the welfare effects of third-degree price discrimination by a two-sided platform that enables interaction between buyers and sellers. Sellers are heterogeneous with respect to their per-interaction benefit, and, under price discrimination, the platform can condition its fee on...
George Joseph, Josepa Miquel-Florensa, Yi Rong Hoo, Sanjay Pahuja et Tewodros Tebekew
vol. 73, n° 3, avril 2025
We present a lab-in-the-field experiment with employees of the Addis Ababa Water and Sanitation Authority to understand how to improve co-ordination and collaboration in their daily work. Participants play a series of public good games under different rules: a standard game, a game with a threshold...
Charlotte Cavaillé, Daniel L. Chen et Karine Van Der Straeten
vol. 13, n° 2, avril 2025, p. 337–353