[1] Agr Bank China, 69 Jianguomen Nei St, Beijing 100005, Peoples R China
[2] UCL, Bartlett Sch Sustainable Construct, London WC1E 6BT, England
[3] China Sichuan Adm Inst, 43 Guanghuacun St, Chengdu 610071, Peoples R China
[4] Anglia Ruskin Univ, Fac Business & Law, East Rd, Cambridge CB1 1PT, England