Archive: Zhenyu Li

Senior Healthcare Assistance in a Home

Abstract The expectation of needing long-term care is an essential input into optimal saving and long-term care insurance decisions. Previous optimization models have used the Robinson (2002) transition probabilities, which have not been systematically updated and which underpredict the use of care while overpredicting the average stay of people who enter care. We develop a…

Senior man working at laptop at home

Abstract This paper decomposes trends in the distribution of earnings over the period 1982-2009 and calculates the effect of increases in dispersion in wage and salary earnings on revenues from the U.S. Social Security Old-Age and Survivors Insurance payroll tax. This tax is levied on earnings, up to a maximum that, with minor changes, has…