The European economic integration leads to increasing mobility of factors, thereby threatening the stability of social transfer programs. This paper investigates the possibility to achieve by means of voluntary matching grants both the optimal allocation of factors and the optimal level of...

Under state-dependent preferences, probabilities and units of scale of state-dependent utilities are not separately identified. In standard models, only their products matter to decisions. Separate identification has been studied under implicit actions by Drèze or under explicit actions and...

This paper is a follow-up to the recommendations made by Jacques Drèze, Edmond Malinvaud and colleagues in 1993 (Drèze, Malinvaud et al., 1994). The key arguments that are of interest for discussion here are paraphrased below: 'For almost 20 years now, West European unemployment has been a...

We study the impact of the Belgium lockdown on retail prices using a unique dataset tracking daily prices and promotions for various products in different stores and retail chains. Two distinctive features of our analysis are the ban on promotions during the first two weeks of the lockdown, and...

This paper studies the relationship between fiscal decentralization and electoral accountability, by analyzing how decentralization impacts upon incentive and selection effects, and thus on voter welfare. The model abstracts from features such as public good spillovers or economies of scale, so...