This paper studies the effect of learning new information on decision under uncertainty.Using ambiguity models, we show the effect of learning on beliefs and ambiguity attitudes. We develop a new method to correct beliefs for ambiguity attitudes and decompose ambiguity attitudes into pessimism...

On mobile phone markets that have reached the maturity stage, customer recommendation becomes a critical focus for operators to attract subscribers from rival operators. Referral propensity is also an indicator of subscriber satisfaction and loyalty. The aim of this paper is to examine the...

This article tackles one central issue in the regional science literature: the persistence of regional disparities in unemployment within national economies. Our approach is original as Okun’s coefficients are estimated for each of the 22 administrative French regions over the period...

We study the relationships between unemployment rate and new-firm startups rate in France using a quarterly data basis over the 1993-2011 period. At the national level we identify that the refugee effect explains the dynamics of entrepreneurship in France over the period 2000-2011. New French...

Within developed countries, the market penetration of cell phones and the Internet has progressed in tandem and the point of market saturation is nearly to be reached in both markets. In contrast, the African continent has been characterized by a more uneven level of progress, with the...

In traditional school choice theory, the assignment mechanisms of students to schools suppose preferences for students and priorities for schools. In this paper, interested in the admission of students to colleges, we assume that all agents have priorities over the members of the opposite side....

Microfinance is generally associated with high repayment rates. However, it is not clear whether the success of microfinance results only from the use of group lending or is also due to other mechanisms such as peer sanctioning or dynamic incentives induced by long-term relationships that are...

This paper investigates experimentally gender and race discrimination in hiring decisions through a simple controlled setting where employers can observe workers’ individual characteristics before recruiting them. In this paper, we explore whether discrimination, if any, is statistical or...

It is often argued that firms need flexibility in order to better face demand uncertainty. As employment protection legislation (EPL) impacts the cost of volume adjustments available to firms, it constrains the volume flexibility that they can achieve. Weakening EPL might thus be thought of as a...

This paper questions the impact of trade integration on business cycle synchronization in the EMU by distinguishing increase of existing trade flows (the intensive margin) and creation of new trade flows (the extensive margin). Using a DSGE model, we find that synchronization is weakened when...