This paper discusses how the structure of the tax system affects its progressivity. It suggests a measure of progressive capacity of tax systems, based on the Kakwani index, but independent of pre-tax income distributions. Using this and other progressivity measures, the paper (i) documents a...

Based on a survey of about 2,500 US resident adults, we show that people who have experienced serious illness or job loss caused by the COVID-19 pandemic, or who personally know someone who has, favor a temporary progressive levy or structural progressive tax reform to a greater extent than...