Using the data of listed companies and the DID method, this paper reveals three ways in which green credit policy (GCP) affects corporate debt financing, By controlling credit input, GCP can effectively restrain corporate debt financing in the "two-high" industries, However, the policy also...

This paper proposes a new quantile regression model to characterize the heterogeneity for distributional effects of maternal smoking during pregnancy on infant birth weight across different the mother's age. By imposing a parametric restriction on the quantile functions of the potential outcome...

Valid instrumental variables must be relevant and exogenous. However, in practice it is difficult to find instruments that are exogenous in that they satisfy the knife-edged orthogonality condition and at the same time are strongly correlated with the endogenous regressors. In this paper we show...