The early contributions to the microeconomic literature assume that only market goods yield utility, and that the only way adults can secure the consumption of these goods in old age is by saving. The more recent contributions recognize, however, that the elderly derive utility also from goods...

Welfare States do not insure citizens against the risk of premature death, i.e., the risk of having a short life. Using a dynamic OLG model with risky lifetime, this paper compares two insurance devices reducing well-being volatility due to the risk of early death: (i) an ante-mortem age-based...

The paper takes the Leibnitz Integral Rule (LIR) under variable integration limits and demonstrates how it can be applied to a business firm's dynamic problem of determining its optimum level of investment activity, when the longevity (life span) of the investment is itself a variable determined...

While little agreement exists regarding the taxation of bequests in general, there is a widely held view that accidental bequests should be subject to a confiscatory tax. We propose to reexamine the optimal taxation of accidental bequests in an economy where individuals care about what they...

This paper investigates the effects of labor market integration, in the form of worker mobility, in a model with long-term labor contracts that lead to wage rigidities and unemployment. Reflecting the interdependence of regional labor markets, we develop a general-equilibrium framework where the...

This paper develops the theoretical foundations and the testable implications of the various mechanisms that have been proposed as possible triggers for the demographic transition. Moreover, it examines the empirical validity of each of the theories and their significance for the understanding...