Recent work on wealth inequality based on the capitalization method wherein aggregate wealth totals are distributed in proportion to various forms of income like dividends has motivated a concern about whether rates of return on assets vary across the wealth distribution. In this study, I use a...

This paper proposes a model of the US unemployment rate which accounts for both its asymmetry and its long memory. Our approach, based on the tests of Robinson (1994), introduces fractional integration and nonlinearities simultaneously into the same framework (unlike earlier studies employing a...