fig5
From: Exploring carbon emission effects of national-level industrial park policies on cities in China
Figure 5. Placebo test for the carbon emission impact - ETDZ (A), EIDP (B), and LCIP (C). notes: the black hollow circles are the random regression coefficients obtained from each regression, and the red curve shows its kernel density distribution, with the highest point of the kernel density distribution marked by the red dashed line.
