Does the Sports Goods Industry in China Have <i>Productivity Paradox?</i>——Based on the Data of Sports Goods Manufacturing Enterprises

主办单位：成都体育学院
ISSN 1001-9154　CN 51-1097/G8

MA Yiqun

Journal of Chengdu Sport University . 2017, (6): 21 -26 . DOI: 10.15942/j.jcsu.2017.06.004