3Ovum. Mobile numbering and mobile number portability in Ireland[R]. Ovum London, 2000, (10).
4Doug Hee Shin. A study of mobile number portability effects in the United States[J] . Telematics and Informatics, 2007, (2): 1 - 14.
5Buehler S, Haucap J. Mobile Number Portability[J] . Journal of Industry, Competition and Trade, 2004, (13): 223 - 238.
6Burnham T. A, Frels J. and Mahajan V. Consumer switching costs, a typology, antecedents, and consequences[J]. Journal of the Academy of Marketing Science, 2003, (2): 109 - 126.
7John P. Meyer, David J. Stanley, Lynne Herscovitch, Laryssa Topolnytsky. Affective, continuance, and normative com- mitment to the organization: a meta- analysis of antecedents, correlates, and consequences[J]. Journal of Vocational Behavior, 2002, (8): 20 - 52.
