Our model of growth departs from both the Malthusian and neoclassical approaches by including investments in human capital. We assume, crucially, that rates of return on human capital investments rise, rather than, decline, as the stock of human capital increases, until the stock becomes large....

We provide a model for analyzing effects of the tax system and spending programs on the determination of government spending and taxpayer welfare and show that tax system or spending program which is suboptimal from a Ramsey point of view can improve taxpayer welfare because the system creates...

This paper concentrates on both the positive and normative effects of punishments that enforce laws to make production and consumption of particular goods illegal, with illegal drugs as the main example. Optimal public expenditures on apprehension and conviction of illegal suppliers obviously...

We use a framework suggested by a model of rational addiction to analyze empirically the demand for cigarettes. The data consist of per capita cigarettes sales (in packs) annually by state for the period 1955 through 1985. The empirical results provide support for the implications of a rational...

This paper focuses on the causes of divorce. Section I developsa theoretical analysis of marital dissolution incorporating uncertaintyabout the outcomes of marital decisions into a framework of utilitymaximization and the marriage market. Section II explores the implica-tions of the theoretical...

This paper analyzes the savings and health care impacts of mortality contingent claims, defined here as income measures, such as annuities and life-insurance, under which earned income is contingent on the length of one's life. The postwar increase in mandatory annuity and life-insurance...