We offer a new analysis of a large-scale trial of an early-childhood education program that targeted premature, low-birthweight children. This targeting heavily oversampled twins, whose outcomes differed significantly from singletons'. Singletons' gains in short-term cognition and age-18...

We offer a new analysis of a large-scale trial of an early-childhood education program that targeted premature, low-birthweight children. This targeting heavily oversampled twins, whose outcomes differed significantly from singletons'. Singletons' gains in short-term cognition and age-18...

Obesity may not only be linked to undesirable health outcomes but also to limitations in sexual life. The present paper aims to assess whether there is a causal relationship between weight loss and sexual activity in adult obese individuals. To address the endogeneity of weight loss that is...

Purpose This paper theoretically and empirically analyzes the effects of the elderly's physical health status on their need for care and the choice of care models in China. Design/methodology/approach Empirically, the estimation results of a large-sample randomized intervention trial with...

Purpose This paper theoretically and empirically analyzes the effects of the elderly's physical health status on their need for care and the choice of care models in China. Design/methodology/approach Empirically, the estimation results of a large-sample randomized intervention trial with...