The Impact of China's Pilot Carbon Ets on the Labor Income Share——Based on an Empirical Method of Combining Psm with Staggered Did

Does the dual-credit policy promote the technological development of new energy vehicles? An industry chain reconstruction perspective

“…Specifically, asset size ( ), capital structure ( lev ), current ratio ( ), return on assets ( ROA ), R&D intensity ( R & D ), equity concentration ( ), and government subsidies ( ) were selected as characteristic variables and a Logit model was used to estimate the probability of inclusion for each sample. Then, the radius matching method was used to match a reasonable control group [30] , [47] . Table 3 demonstrates that, after matching, standardized bias is significantly lower than 5% for all characteristic variables between the treatment and control groups, and none of the t-values after PSM are significant.…”