This paper discusses the probability of exploiting price variations that may occur during the survey period of any household expenditure survey in order to identify heterogeneous demand responses to discrete price changes. This is possible since expenditure survey contain usually a large number...

We describe a model of participation in lottery games designed to address the optimisation of tax revenue in state-sponsored lotteries. The model treats participants dynamically and examines a long-run equilibrium. A novel high frequency approximation is used to turn the problem into a static,...