00558nam a2200181Ia 4500 181130s2018 xx 000 0 und d Jiang, Jin Social protection for the informal sector in urban China: institutional constraints and self-selection behaviour 2018 p.335-357. Apr Informal sector Informal sector - China Social protection Qian, Jiwei and Wen, Zhuoyi Journal of Social Policy Informal sector 506704 506704 0 0 0 0 IIPA IIPA 2018-12-07 47(2), Apr, 2018: p.335-357. AR118499 2018-12-07 2018-12-07 AR