Research Article

Government-Enterprise Collusion and the Effectiveness of Environmental Regulations: Implications for Public Health

Table 2

Benchmark regression results of environmental regulations on environmental pollution.

Variables(1)(2)(3)(4)(5)(6)
WaterISootISO2I

ER−0.314(−27.95)−0.111 (−7.07)−0.266 (−16.66)−0.122 (−5.04)−0.470 (−12.93)−0.157 (−7.13)
CityScale−0.008 (−0.31)−0.007 (−0.16)−0.208 (−5.35)
Technology−0.172 (−22.26)−0.093 (−7.88)−0.355 (−32.67)
Industry−0.108 (−3.04)−0.055 (−1.01)0.154 (3.08)
Open−0.021 (−3.36)−0.035 (−3.63)−0.017 (−2.01)
Economy−0.232 (−8.47)−0.195 (−4.64)−0.130 (−3.39)
Constant−5.199 (−148.77)−2.331 (−7.80)−3.963 (−79.72)−1.611 (−3.52)−2.730 (−24.03)−0.657 (−1.57)
N469246924692469246924692
R 20.1500.2770.0590.0750.0820.406
City fixedYesYesYesYesNoYes

Note. The numbers in brackets stand for t-statistics;, , and indicate significance at the level of 10%, 5%, and 1%, respectively, which are the same in the following tables except Table 3.