Since Akerlof’s theory of lemons, economists have viewed quality uncertainty as an informational advantage for sellers. Drawing on frontier techniques, we propose in this paper a simple method for measuring inefficiency of both sellers and buyers in markets for goods with different levels of...

In this paper, we study the smoking behavior of students aged from 18 to 25 using four cross-section data sets collected in France from 1997 to 2006. We focus on the role played by student income and parental resources. We find that both the probability of smoking and the number of cigarettes...

French cannabis market is changing as such a market arrived now in maturity and can be consequently named of THC market. The new competitors? entry, products diversification, price changes and quality increase are the main evidences; add to that the sociological change of suppliers. In this...

Migrants' remittances should b e considered as one of the determinants of migration ows, since they have an economic impact on recipient economies, and can play a signaling role concerning the actual economic conditions in countries. In b oth cases, the decision to migrate may b e interpreted as...

Patent insurance policies allow firms to externalise the legal cost in case of conflicts. These litigation insurances may incite innovators to sue more often, which would increase the social cost of litigation. By modelling a patent file, we show that these patent litigation insurances incite...

In this paper, we study the smoking behavior of students aged from 18 to 25 using four cross-section data sets collected in France from 1997 to 2006. We focus on the role played by student income and parental resources. We find that both the probability of smoking and the number of cigarettes...

In order to describe the process of tobacco quitting, we perform a VAR model and causality tests both on the monthly sales of tobacco products and nicotine dependence drugs in France, for the period going from February 2004 to April 2009. According to the path of tobacco quitting found out, it...