We develop a wage-structure determination model in which a firm with incomplete information offers an optimal sequence of contracts for its heterogeneous employees. The model integrating the principal-agent framework and monitoring mechanism is characterized by endogeneity of the selection of...

The author analyzes the welfare effects of privatization in a mixed duopoly model in which the wage rate for the privatized firm is determined by Nash bargaining beforehand. The evaluations are based on three-stage privatization frameworks respectively under two regimes: Cournot competition and...

This paper constructs a heterogeneous, intertemporal general equilibrium framework which integrates both intended and unintended bequest motives to examine the long-run effects of an estate tax on the inequality of lifetime income. The results are ambiguous in general and sensitive to the type...

This article compares the long-run effects of changes in health conditions, population growth, price of medical care, and Medicare indemnity rate on capital formation and medical expenditures under fully funded and pay-as-you-go Medicare. Surprisingly, it is found that population growth, rising...

The author analyzes the welfare effects of privatization in a mixed duopoly model in which the wage rate for the privatized firm is determined by Nash bargaining beforehand. The evaluations are based on three-stage privatization frameworks respectively under two regimes: Cournot competition and...

We treat each age-specific income-earning member of the family as an income "source," and use the source-specific Gini decomposition approach as well as the Lorenz comparison approach to study the impact of the changing population age structure on family income inequality. Empirical analysis...