This paper describes the transformations in federal classification of ethno-racial information since the civil rights era of the 1960s. These changes were introduced in the censuses of 1980 and 2000, and we anticipate another major change in the 2020 Census. The most important changes in 1980...

Measuring effective tax rates using tax revenue data is attractive, given that revenues collected capture the net effect of tax provisions and taxpayer behaviour that are difficult to model. Yet reliance on aggregate tax and income data requires restrictive assumptions and significantly limits...