This table presents the robustness test of PSM-DID by using alternative sets of matching variables. Only coefficients of interest (TREAT×POST) are included in this table. Columns (1) and (2) show the
The effect of carbon emissions on the environment has made some of the Sustainable Development Goals difficult to achieve. Despite the efforts of international bodies, there is still a need to address
The package contains all the code necessary to reproduce the figures and tables in Weak Instruments in Instrumental Variables Regression: Theory and Practice Isaiah Andrews, James H. Stock, Liyang Sun
