International migration is maybe the single most effective way to alleviate poverty at a global level. When a given host country allows more immigrants in, this creates costs and benefits for that particular country as well as a positive externality for all those (individuals and governments)...

This paper describes a series of algorithms that are used to compute optimal policy under full and imperfect information. Firstly we describe how to obtain linear quadratic (LQ) approximations to a nonlinear optimal policy problem. We develop novel algorithms that are required as a result of...

La crise a affecté les comportements de l'épargnant : les ménages français se sont montrés en moyenne plus « prudents », désirant épargner davantage dans des placements plus sûrs et à plus long terme, et limiter parallèlement leurs investissements risqués. Comment expliquer ce...

This paper uses regression discontinuity design to provide quasi-experimental estimates of the impact of a tax credit program targeted at rural areas in France, including corporate and payroll tax exemptions. We find no impact of the program on total employment or the number of businesses, and...

How do nationalistic media affect animosity between ethnic groups? We consider one of Europe’s deadliest conflicts since WWII: the Serbo-Croatian conflict. We show that, after a decade of peace, cross-border nationalistic Serbian radio triggers ethnic hatred towards Serbs in Croatia. Mostly...

We study the causal link between house prices and current accounts. Across time and countries, we find a very large and significant impact of house prices on current accounts. In order to rule out endogeneity concerns, we instrument house prices for a panel of countries, using property tax...

This paper demonstrates that geography matters to the effectiveness of place-based policies, using the French enterprise zone program as a case study. Using a series of indicators of spatial isolation for treated and non treated neighborhoods, we show that geographical heterogeneity determines...