[1] Zhejiang Univ Water Resources & Elect Power, Sch Econ & Management, Hangzhou 310000, Peoples R China
[2] Shanghai Urban Construct Vocat Coll, Sch Econ & Business, Shanghai 200000, Peoples R China
[3] China Jiliang Univ, Sch Econ & Management, Hangzhou 310000, Peoples R China