Cryptocurrency is private money and is costly to produce. In this paper, I ask whether cryptocurrency can serve as a medium of exchange, and whether it can coexist with fiat money as a widely accepted medium of exchange. To answer these questions, I develop two search-theoretic models: a model...

Raising the retirement age is a common policy response when social security schemes face fiscal pressures. We develop and estimate a dynamic life cycle model to study optimal retirement and tax policy when individuals face health shocks and income risk and make endogenous retirement decisions....

Between the months of February and April of 2020, average weekly market hours dropped by 6.25, meanwhile 35% of commuting workers reported switching to remote work arrangements. In this paper, we examine implications of these changes for the time allocation of different households, and on...

A healthy diet is associated with a reduced risk of premature death, but data on the association between food expenditure and life expectancy are scarce. We conducted this study to determine the association of expenditure on food groups with life expectancy in men and women. This study used data...

The labor supply of older men increased from the 1930s to the 1950s cohort. I estimate a structural model that fits the participation and hours worked by the 1930s cohort well. The observed policy changes in normal retirement age, the earnings test, and delayed retirement credits explain 73.4%...