1Johnson, S.A.Debt Maturity and the Effects of Growth opportunities and Liquidity Risk on Leverage[J].Re- view of Financial Studies, 2003(16) : 209-236.
2Frank,M.Z. and V.K.Goyal.Trade-off and Pecking Order Theories of Debt,Handbook of Corporate Fi- nance :Empirical Corporate Finance (North Holland, Handbooks of Finance, Elsevier Science )2007.
3Jensen Michael C. Agency cost of free cash flow,corporate finance and takeovers [J]. American Economics Review, 1986 (76) : 323-379.
4Adam T.,Goyal V.K The Investment Opportunity Set and Its Proxy Variables [R].Working Paper Series, SS- RN-id1271056,2007.
5Myers,Stewart C.,Determinants of corporate borrowing [J ].Journal of Financial Economics, 1977 ( 5 ) : 147-175.
6Langberg N.Optimal Financing for Growth Firms [J].Joumal of Finance,1995 (50): 1421-1460.
7Jensen,Michael C.,and William H.Meckling. Theory of the firm:Managerial behavior,agency costs, and capital structure [J].Joumal of Financial Economics, 1976(3) : 305-360.
8DeAngelo, H.,R..Masulis.Optimal Capital Structure under Corporate and Personal Taxation[J]. Journal of Financial Economics, 1980(8) : 3-29.
9Matthew T.BiUett, Tao-Hsien Dolly King, and David C.Mauer.Growth opportunities and choice of lever- age,debt maturity,and covenants [J].Joumal of Fi- nance,2007,62(2).
10Muller E.Benefits of Control, Capital Struc- ture and Company Growth [R].ftp//ftp. zew.de/pub/zew-docs/dp/dp0555.pdf.2009.
