There is often a gap between the prescriptions of an optimal tax system and actual tax systems, some of which can be neither efficient economically nor efficient at redistributing income. With a focus on personal income taxes, this paper reviews the political economics literature on tax systems...

For an international sample of banks, the authors construct measures of a bank's absolute size and its systemic size defined as size relative to the national economy. They examine how a bank's risk and return, its activity mix and funding strategy, and the extent to which it faces market...

This paper examines the implications of bank activity and short-term funding strategies for bank risk and returns using an international sample of 1,334 banks in 101 countries leading up to the 2007 financial crisis. Expansion into non-interest income generating activities such as trading...