Recherche avancée

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...

Han Bleichrodt, David Crainich, Louis Eeckhoudt et Nicolas Treich

vol. 89, mars 2020, p. 137–149

Diagnostic tests allow better informed medical decisions when there is uncertainty about a patient’s health status and, therefore, about the desirability to undertake treatment. This paper studies the relation between the expected value of diagnostic information and a patient's risk aversion. We...

Hanna Halaburda, Bruno Jullien et Yaron Yehezkel

vol. 51, mars 2020, p. 3–31

We consider dynamic competition among platforms in a market with network externalities. A platform that dominated the market in the previous period becomes “focal” in the current period, in that agents play the equilibrium in which they join the focal platform whenever such equilibrium exists. Yet...

Cécile Aubert et Arnaud Reynaud

vol. 45, n° 1, mars 2020, p. 36–74

We conducted an artefactual field experiment in Vietnam to investigate whether and how experiencing a natural disaster affects individual attitudes toward risks. Using experimental and real household data, we show that households in villages affected by a flood in recent years exhibit more risk...

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...

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...

Koen Jochmans et Vincenzo Verardi

vol. 20, mars 2020, p. 149–161

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...

Jorge Peña, Georg Nöldeke et Oscar Puebla

vol. 195, n° 3, mars 2020, p. 524–533

Egg trading—whereby simultaneous hermaphrodites exchange each other’s eggs for fertilization—constitutes one of the few rigorously documented and most widely cited examples of direct reciprocity among unrelated individuals. Yet how egg trading may initially invade a population of nontrading...

Emilie Salvia, Katell Mevel, Grégoire Borst, Nicolas Poirel, Grégory Simon, François Orliac, Olivier Etard, Astrid Hopfensitz, Olivier Houdé, Jean-François Bonnefon et Wim De Neys

vol. 13, n° 1, mars 2020, p. 19–33

Some economic transactions require people to trust strangers, whose trustworthiness is unknown. In these circumstances, behavioral studies have shown that adults (but not young adolescents) seem to have some minimal ability to detect the trustworthiness of adult strangers based on their facial...