The Impact of Green Credit Guidelines on the Technological Innovation of Heavily Polluting Enterprises: A Quasi-Natural Experiment from China

Table 2

Descriptive statistics.

Variable	Mean	Std. deviation	Minimum	Maximum
TI	202.697	1125.579	0	34279
Treat	0.389	0.488	0	1
Post	0.655	0.475	0	1
MKTIDX	2.55	3.692	0	9.85
SIZE	21.915	1.332	20.07	24.492
ROA	0.056	0.048	−0.034	0.16
INDR	0.37	0.044	0.333	0.455
DUAL	0.256	0.437	0	1
SOE	0.42	0.494	0	1
SALES	0.615	0.356	0.142	1.497
GROWTH	0.248	0.547	−0.359	2.155

Source: all numbers are calculated based on the CSMAR database and China Marketization Index Report by Province (2018).