3Charmazk. Grounded Theory [C].//Smith J A,I--Iarre R, Langenhovel. Rethinking Methods in Psy- chology. London : Sage, 1995.
4Claessens S, E Feijen and L Laeven. Political Con- nections and Preferential Access to Finance [J ]. Journal of Financial Economics, 2008 (88) : 554-580.
5Faccio M. Differences between Politically Con- nected and Non--connected Firms: A Cross Country Analysis[J[ .Financial Management,2010(39) :905-928.
6Francis B, I Hasan and X Sun. Political Connec- tions and the Process of Going Public: Evidence from China[J ]. Journal of International Money and Finance, 2009 (28) : 696--719.
7Cooper M J, H Gulen and A V Ovtchinnikov. Corporate Political Contributions and Stock Returns [J ]. Journal of Finance, 2010 ( 65 ) : 687-724.
8Robert W Palmatier, Rajiv P Dant, Dhruv Grew- al & Kenneth R. Evans. Factors Influencing the Effec- tiveness o Relationship Marketing: A Meta-Analysis [J ] .Journal of Marketing, 2006 (70) : 136-153.
