7Wilson,D.T., Mummaleneni, V.Bonding and Commitment in Supplier Relationships:A Preliminary Conceptu- alization[J].Industrial Marketing and Purchasing,1986,1(3):44-58.
9Claessens, S., Djankov, S., Fan, J. P. H., et al.When Does Corporate Diversification Matter to Productivity and Performance? Evidence from East Asia[J].Pacific-Basin Finance Journal, 2003,11 (3) : 365-392.
10Maksimovic, V., Titman,S.Financial Policy and Reputation for Product Quality[J].Review of Financial Stud- ies, 1991,4(1) :175-200.