Studies on Effects of The Env ironmental Regulation on International Cpmpetitiveness in China 并列题名：Studies on Effects of The Env ironmental Regulation on International Cpmpetitiveness in China Study on effects of trade single window on export competitiveness in China Environmental regulation and international competitiveness of industry 并列题名：Environmental regulation and international competitiveness of industry Research on the effect of environmental regulation on green development efficiency Effect of environmental regulation on green industrial transformation in China Research on the effect of environmental regulation on green total factor productivity