We model a simple justice system in which a court is mandated by society to assess the guilt and the punishment of an accused. The court takes prison facilities as given and neglects its impact on the cost to society of implementing the sentence. Clearly, the court, in this world, will condemn...

In this paper, we show that in a dynamic general equilibrium economy, the presence of moral hazard need not induce large cuts in optimal unemployment insurance benefits. We find that it takes a quite large proportion of "shirkers" to bend the generosity of the optimal unemployment insurance...

Although it is intuitive and morally compelling that the worst forms of child labour should be eliminated, banning them in poor countries is unlikely to be welfare improving and can come at the expense of human capital accumulation. We show that the existence of harmful forms of child labour, in...

In this paper we view child labor as a negative externality exerted by some poor countries on richer nations. The practice of child labor can thus be used by the poor to extract some form of compensation over time. We build a two-country growth model with international externality. We then...

In this paper we develop a simple heterogeneous-agent model with incomplete markets to explain the prevalence of a large low-productivity, informal sector in developing countries. In our model, the provision of public infrastructure creates a productivity premium for formalization, which...

This paper uses a heterogeneous agent model with liquidity constrained workers subject to employment shocks to study the feasibility of a system of unemployment accounts with the example of Oregon under various moral hazard scenarios. We determine the optimal policy parameter vector and compare...

that UI has no waiting period and agents are eligible forever. We then determine which level of benefits in the second model makes agents indifferent between both models. We apply this strategy for the unemployemnt insurance program in the United Kingdom to study how its generosity evolved over...

insurance programs.

We show that coordination failures may be part of an explanation for the demographic differences between rich and poor countries and their differing attitudes towards the use of child labor. Our analysis is carried out within a two-period, general equilibrium model with endogenous fertility,...