" According to historians, European trade took off at the end of the 12th century in what is
now the North of France, in the county of Champagne. 1 It is at this period that this county …

Online ratings aim to reduce information asymmetry between buyers and sellers and help
buyers make more informed purchase decisions. However, a problem arises if ratings are …

We explore conclusions a person draws from observing society when he allows for the
possibility that individuals' outcomes are affected by group-level discrimination. Injecting a …

Online platforms that implement reputation mechanisms typically prevent the transfer of
ratings to other platforms, leading to lock‐in effects and high switching costs for users …

Using data collected from one of the most popular city-to-city ridesharing platforms, we study
how individual drivers respond to an increased health hazard. We analyze the impact of the …

Over the past decades, the digital economy has undergone tremendous growth. The advent
of the Internet fundamentally reshaped how we interact and conduct business. Online …

Abstract· Gender stereotypes are increasingly considered to be as important as gender
discrimination in market transactions. In this paper, we show that they influence market …

Most seats in private cars are empty when drivers hit the road. Carpooling could thus
represent a low-cost strategy to reduce carbon emissions in the transportation sector. Using …

Le premier chapitre (rédigé en collaboration avec Matias Pietola), fournit un modèle
théorique de règlements 'pay-for-delay'avec plusieurs firmes. Le deuxième chapitre (en …

Gender stereotypes are increasingly considered to be as important as gender discrimination
in market transactions. In this paper, we show that they influence market outcomes also …