This paper is concerned with selecting important covariates and estimating the index direction simultaneously for high dimensional single-index models. We develop an efficient Threshold Gradient Directed Regularization method via maximizing Distance Covariance (DC-TGDR) between the single index...

This paper examines the integration of Chinese Communist Party membership and private entrepreneurship in China after 2002, when the Party revised its constitution and officially removed ideological discrimination against private entrepreneurs. Using six waves of a nationwide survey of privately...

This paper examines the integration of Chinese Communist Party membership and private entrepreneurship in China after 2002, when the Party revised its constitution and officially removed ideological discrimination against private entrepreneurs. Using six waves of a nationwide survey of privately...

To search significant variables which can illustrate the abnormal return of stock price, this research is generally based on the Fama-French five-factor model to develop a multi-factor model. We evaluated the existing factors in the empirical study of Chinese stock market and examined for new...

We consider estimation of a linear or nonparametric additive model in which a few coefficients or additive components are large and may be objects of substantive interest, whereas others are small but not necessarily zero. The number of small coefficients or additive components may exceed the...