This paper analyses optimal piecewise linear tax systems for two-earner households, based on joint and individual incomes respectively. It models the interaction between wage rates and variation in child care prices and productivities as determinants of across-household heterogeneity in second...

The assumption that household income is strongly and positively correlated with a household's real standard of living provides the basis for the joint taxation of families, which has the effect of discriminating against married women as second earners. This paper shows, in the context of a model...