3Tumiv Agmon,and Mary Ann von Glinow(ed) :Technology Transfer in International Business,NewYork :Oxford University Publisher, 1991.
4CLEARY S. 1999. The relationship between firm investment and financial status [ J ] . Journal of finance, 54 ( 2 ) : 673 - 692.
5DITTMAR A,THAKOR A V. 2007. Why do firms issue eq- uity? [ J ]. Journal of Finance ,62 ( 1 ) : 1 - 54.
6GROSSMAN S J, HART O D. 1986. The cost and benefits of ownership: a theory of vertical and lateral integration [J]. The Journal of Political Economy, 94 (4):691 -719.
7HOVAKIMIAN G. 2011. Financial constraints and invest- ment efficiency:internal capital allocation across the bus- iness cycle [ J ]. Journal of Financial Intermediation,20 (2) :264 -283.
8JENSEN M C, MECKLING W H. 1976. Theory of the firm: managerial behavior, agency cost, and ownership structure [ J ]. Journal of Financial Economics, 3 ( 4 ) : 305 - 360.
9LID M. 2010. When less is more : financial constraints and innovative efficiency[ Z]. Working Paper Series.
10MAIETTA O W, SENA V. 2010. Financial constraints and technical efficiency: some empirical evidence for Italian producer's cooperative[ J]. Annals of Public and Coop- erative Economics,81 (1) :21 - 38.