Cremer, Helmuth; Lozachmeur, Jean-Marie; Maldonado, Darío - 2015
welfare function we show that the expression for a spouses' marginal income tax rate includes a "Pigouvian" (paternalistic …) and an incentive term. The Pigouvian term favors a marginal subsidy (tax) for the high-weight (low-weight) spouse, whose … structure across couples. In some cases both terms have the same sign and imply a positive marginal tax for the low …