This paper studies the relationship between horizontal product differentiation and the welfare effects of third-degree price discrimination in oligopoly. By deriving linear demand from a representative consumer's utility and focusing on the symmetric equilibrium of a pricing game, we...

Data from the 1979 cohort of the National Longitudinal Survey of Youth (NLSY79) show that self-employment (nonfarm or nonprofessional) accounts for as high as 7 percent of all yearly labor supplies by young white males (ages 20-39 in years 1979-2000). On the other hand, nearly 30 percent of...