One might expect that differences in income elasticities in trade and/or differences in growth rates among countries would give rise to strong secular trends in real exchange rates; for example, fast-growing countries might need steady depreciation to get the world to accept their growing...

An influential literature on the effects of marginal tax rates on the behavior of the rich has claimed that the elasticity of taxable income with respect to the net of tax share is very high possibly exceeding one. These high estimated elasticities imply that cutting taxes on the rich does not...

The empirical literature points to a stylized phenomenon of increased demand for hope following adversity. Clotfelter and Cook (1989) suggest that hope is a key sentiment underpinning recreational gambling. Chew and Ho (1994) offer the view of hope being experienced in lottery products when...

We study a problem in which policymakers need to screen self-selected individuals by unobserved heterogeneity in social welfare gains from a policy intervention. In our framework, the marginal treatment effects and marginal treatment responses arise as key statistics to characterize social...