This paper examines the competitive effects of a unique school choice program implemented in the late 1990s, Wisconsin's open enrollment program, which allows families to send their children to schools outside their home district. In contrast to other school choice programs, districts not only...

This paper investigates Medicare supplemental insurance and health-care spending. The empirical models attempt to determine whether seniors who possess certain traits, particularly health- and risk-related factors, choose supplemental coverage based on expectations of health-care needs....

This article investigates the dependence structure of income distribution in the US by providing two approaches -- one regression-based and the other copula-based -- to reveal new information about income dependence. The system of Seemingly Unrelated Regressions (SUR) is estimated for both...

This paper uses nationally representative data from two large household surveys to investigate the extent to which child asthma affects maternal labor supply. The theoretical and empirical models take into account the fact that asthma prevalence is partially influenced by genetic and...

This paper makes three contributions. First, it uses copula functions to obtain a flexible bivariate parametric model for nonnegative integer-valued data (counts). Second, it recovers the distribution of the difference in the two counts from a specifed bivariate count distribution. Third, the...