This paper presnets first empirical results on moral hazard in demand for physician services, using a longitudinal dataset on 4578 individuals followed during two years. The data set contains two subgroups, one for which a copayment rate of 10% for physician visits was introduced in 1994, and an...

This paper discusses experimental design from an efficiency viewpoint. We interpret the design of social experiments as an economic intertemporal consumpion problem, as opposed to a statistical variance minimization problem, and contrast the difference between Pareto optimal sample size and...

This paper discusses goods for which the amount of consumption determines its duration, with our primary concentration on health-related consumption. We argue that the features of such goods result in unique implications for private pricing and R&D, as well as impact important components of...

We study, in a model with unemployment, how labour market status affects the preferences for public spending, whether in the form of a public good or subsidies. We then derive the implications for the dynamics of government expenditures, under the hypothesis of majority voting.