共 5 条
- [3] A model to analyze the environmental policy of resource reallocation and pollution control based on firms' heterogeneity[J] . Erzi Tang,Fengchao Liu,Jingjing Zhang,Jiao Yu.Resources Policy . 2014
- [4] INCREASING RETURNS AND ECONOMIC-GEOGRAPHY [J]. JOURNAL OF POLITICAL ECONOMY, 1991, 99 (03) : 483 - 499
- [5] THE LEVEL OF INVENTIVE ACTIVITY [J]. REVIEW OF ECONOMICS AND STATISTICS, 1954, 36 (02) : 183 - 190