1、However, some researches explicitly stated that unless the local governments changed in

2、emissions control, it may be tough to attain the PM2.5 NAAQS [3]. In addition, recommendations

3、to improve the air quality are also provided to governments [4]. Nevertheless, these investigations

4、have been isolated and it is interesting to note that until recently, there has been very little study from other Non-chemical perspectives of PM2.5.

5、This brings to the purpose of this study.

6、The three most relevant economic entities to the issue of PM2.5 are rational economic man, enterprise or factory and the government;
