TY - Front. Econ. China A1 - Xi Weng T1 - Learning and Efficiency with Search Frictions Y1 - 2015-09-15 JF - Frontiers of Economics in China JO - Front. Econ. China SP - 449 EP - 466 VL - 10 IS - 3 UR - https://academic.hep.com.cn/fec N1 - 10.3868/s060-004-015-0019-4 ER -