We analyze the welfare properties of the competitive equilibrium in a capital accumulation model where individual preferences are subjected to both habit formation and consumption spillovers. We also discuss how consumption externalities and habits interact to generate an inefficient dynamic...

We study alumni contributions to an anonymous research university. If alumni believe donations will increase the likelihood of their child's admission, and if this belief helps motivate their giving, then the pattern of giving should vary systematically with the ages of their children, whether...

We contrast the relationship between predation and the savings of its potential victim in two different simple models. In the first model, predation is an exogenous event in which savings are expropriated with some fixed probability. In such a setting, the higher the probability of expropriation...

We present a model in which individuals' preferences are defined over their consumption, transfers to offspring, and social status associated with income. We show that a separating equilibrium exists where individuals' expenditure on conspicuous consumption is a signal for their unobserved...

This paper proposes a two-step aggregation method for measuring long-term income inequality and income mobility, where mobility is defined as an equalizer of long-term income. The first step consists of aggregating the income stream of each individual into a measure of permanent income, which...

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 reconstructs the series of the real returns on Italian equities, bank and PO deposits and long-term government bonds from 1860 to today. In the long-run the return on shares was much higher than that on government securities and also that on bank and PO deposits. However, this summary...