This paper analyzes the relationships between HIV/AIDS and education taking into account the appropriative nature of child income. We first build a simple theoretical model linking parental health risk, educational choice and appropriation of future children's income. We show that considering...

In this paper we present a model of formation and destruction of informal cooperatives in a population of agents who perform a risky activity and who are heterogeneous in terms of success in their actions. Although some agents have high-risk and others low-risk, our model displays a dynamics...

We analyze in this paper how various forms of State intervention can impact the microcredit market in developed countries. Using a simple model where entrepreneurs borrow without collateral, we study the effect of different policies on microfinance institutions' lending behavior. We first...

We provide the first theoretical analysis of altruism in networks. Agents are embedded in a fixed, weighted network and care about their direct friends. Given some initial distribution of incomes, they may decide to support their poorer friends. We study the resulting non-cooperative transfer...

Reductions in the generosity of welfare benefits and less progressive taxation have decreased the redistributive impact of fiscal policy since the mid-1990’s across the advanced democracies. We argue that the strong increase in the diversity of goods observed those last decades may have...