TY - JOUR A1 - Wang, W. A1 - Jing, H. A1 - Zhang, P. T1 - Has China’s family planning policy lowered individuals’ level of happiness? (“Ji hua sheng yu zheng ce jiang di le ju min de xing fu gan ma?”) Y1 - 2013 JF - Population Research (“Ren kou yan jiu”) VL - 37 ER -