The paper presents a model of income distribution that makes use of Gibrat's law of proportionate effect to explain the way income is distributed and how the distribution changes over time in a population made of families characterized by a specific life cycle and initial endowment. The...

This paper reviews a number of recent contributions that study pension design with myopic individuals. Its objective is to explore how the presence of more or less myopic individuals affects pension design when individuals differ also in productivity. This double heterogeneity gives rise to an...

This paper examines the optimal non-linear income and commodity tax when the same labor disutility can receive two alternative interpretations, taste for leisure or disability, but the disability is not readily observable. We compare the optimal policy under alternative social objectives,...