Social impact bonds (SIBs) are an innovative financing mechanism for public goods. In a SIB, an investor provides capital to a service provider for a social intervention. The investor receives a return based on the outcome of the intervention relative to a predetermined benchmark. We describe...

Existing tax schedules are often overly complex and characterized by discontinuities in the marginal tax burden. In this paper we propose a class of progressive smooth functions to replace personal income tax schedules. These functions depend only on three meaningful parameters, and avoid the...

This paper examines the determinants of the choice of the major when the length of studies is uncertain, by using a framework in which students entering post-secondary education are assumed to anticipate their future earnings. For that purpose, we use French data coming from the 1992 and 1998...

This paper exploits the collective pardon granted to individuals incarcerated in French prisons on the 14th of July, 1996 (Bastille Day) to identify the effect of collective sentence reductions on recidivism. The collective pardon generated a very significant discontinuity in the relationship...

According to French law, employers have to pay at least six months salary to employees whose seniority exceeds two years in case of unfair dismissal. We show, relying on data, that this regulation entails a hike in severance payments at two-year seniority which induces a significant rise in the...