We study how work requirements can be used to target transfers to the long-term poor. Without commitment, time consistency requires all screening measures to be concentrated in the first phase of the program. We show that this increases the effectiveness of workfare; it is optimal to use work...

In this paper we apply to multiplicative lotteries the idea of preference for "harm disaggregation" that was used for additive lotteries in order to interpret the signs of successive derivatives of a utility function. In this way, we can explain in general terms why the values of the...