SHENG-KAI CHANG2018-09-102018-09-102012http://www.scopus.com/inward/record.url?eid=2-s2.0-80051980194&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/372123State dependence, serial correlation and heterogeneity in the union membership dynamicsjournal article10.1080/00036846.2011.577018