Recherche avancée

Céline Nauges et Jean-Paul Chavas

vol. 42, n° 1, mars 2020, p. 42–53

Adoption of agricultural innovations has been an important factor affecting the welfare of farmers, the productivity of agriculture and the economics of the food sector. This paper reviews the literature on technology adoption in agriculture with a focus on the role of uncertainty and learning. It...

Céline Bonnet et Jan Philip Schain

vol. 16, n° 1, mars 2020, p. 1–35

In this article, we extend the literature on merger simulation models by incorporating its potential synergy gains into structural econometric analysis. We present a three-step integrated approach. We estimate a structural demand and supply model, as in Bonnet and Dubois (2010). This model allows...

Marianne Lefebvre, Estelle Midler et Philippe Bontems

n° 20-1079, mars 2020, révision mai 2020

Agriculture is one of the economic sectors most exposed to exogenous risks such as climate hazards and price volatility on agricultural markets. Agricultural policies targeting the adoption of environment-friendly but potentially risk-increasing practices cannot ignore this challenge. Farmers have...

Jérôme Bolte et Edouard Pauwels

n° 20-1080, mars 2020

Counterexamples to some old-standing optimization problems in the smooth convex coercive setting are provided. We show that block-coordinate, steepest descent with exact search or Bregman descent methods do not generally converge. Other failures of various desirable features are established:...

Luis Abreu, Doh-Shin Jeon et Sara Shahanaghi

n° 20-1081, mars 2020, révision juin 2024

We consider an ad-financed media firm that chooses the ideological location of its news when consumers who directly receive the news can share it with their followers on social media. When the firm maximizes the breadth of news sharing, it tends to produce polarized news if the mean (the variance)...

Oliver Allais, Céline Bonnet, Vincent Réquillart et Marine Spiteri

n° 20-1082, mars 2020

Many countries have implemented the taxation of unhealthy food. Facing such a tax, firms can adapt their pricing strategy and modify the characteristics of their products. There are, so far, only a few ex-ante analyses of the impact of taxes on consumption that endogenize the price response of...

Edmond Awad, Sohan Dsouza, Richard Kim, Jonathan Schulz, Joseph Henrich, Azim Shariff, Jean-François Bonnefon et Iyad Rahwan

vol. 579, n° E3-E5, mars 2020

Sarah Alami, Christopher Von Rueden, Edmond Seabright, Thomas S. Kraft, Aaron D. Blackwell, Jonathan Stieglitz, Hillard Kaplan et Michael Gurven

vol. 287, n° 1922, mars 2020

High social status is often associated with greater mating opportunities and fertility for men, but do women also obtain fitness benefits of high status? Greater resource access and child survivorship may be principal pathways through which social status increases women's fitness. Here, we examine...

Sylvie Borau et Jean-François Bonnefon

vol. 120, mars 2020, p. 498–508

Stéphane Straub et Julia Bird

vol. 127, mars 2020

This paper studies the impact of the rapid expansion of the Brazilian road network, which occurred from the 1960s to the 2000s, on the growth and spatial allocation of population and economic activity across the country's municipalities. It addresses the problem of endogeneity in infrastructure...