We reconsider the employment effect of a minimum wage on employment in a symmetric model of monopsonistic competition, where each employer competes equally with every other employer. The employment effect depends on the degree of distortion in the labor market. If fixed costs are high (low), the...

We analyze models of product differentiation with perfect price discrimination and free entry. With a fixed number of firms, and in the absence of coordination failures, perfect price discrimination provides incentives for firms to choose product characteristics in a socially optimal way....