While "'Tis impossible to be sure of any thing but Death and Taxes" (Bullock, 1716), the structure of taxes and their burden has undergone large and frequent changes over time. We provide a brief history of the U.S. federal income tax reforms since the 1960s, we calculate effective federal...

Under cooperative federalism, when an identical tax tariff applies to all regions of a federation, usually redistribution rules are implemented to smooth fiscal differences. The administration of tax collection, however, is sometimes delegated to the regional level, leaving the regional...