There are many economic parameters that depend on nonparametric first steps. Examples include games, dynamic discrete choice, average exact consumer surplus, and treatment effects. Often estimators of these parameters are asymptotically equivalent to a sample average of an object referred to as...

East Asia is undergoing a rapid demographic transition and "super" aging. As a result of steadily decreasing fertility and increasing life expectancy, older people's proportion of the population and the old-age dependency ratio is rising across all countries in East Asia, particularly in the...

This paper is concerned with estimation of functionals of a latent weight function that satisfies possibly high‐dimensional multiplicative moment conditions. Main examples are functionals of stochastic discount factors in asset pricing, missing data problems, and treatment effects. We propose...