We use data from the period 2009-15 to estimate the impact of the public policy aiming to decrease the taxes paid by companies over their payroll. The objective of this program, so called Less Taxes on the Payroll ("Desoneração da Folha de Pagamento"), was to burst the employment in the firms...

The goal of many randomized experiments and quasi-experimental studies in economics is to inform policies that aim to raise incomes and reduce economic inequality. A policy maximizing the sum of individual incomes may not be desirable if it magni fies economic inequality and post-treatment...