机译:州水平CO_2排放的收敛和俱乐部收敛性:美国的非线性分析
Rajagiri Business Sch Rajagiri Valley Campus Kochi Kerala India|South Ural State Univ Lenin Prospect 76 Chelyabinsk 454080 Russia;
Univ Huddersfield Huddersfield Business Sch Huddersfield W Yorkshire England;
Beijing Inst Technol Beijing Peoples R China|Univ Cambridge Dept Land Econ Cambridge England;
ILMA Univ Fac Management Sci Karachi Pakistan;
CO2 emissions; Environmental management; Convergence; Energy policy; Club convergence;