4Bond,S.,Cummins,J.Noisy Share Prices and The Q Model of Investment[R].The Institute for Fiscal Studies,Work paper,2001-01-22.
5Bond,S.,Klemm,A.,Newton-Smith,R.,Syed,M.,Vlieghe,G.The Roles of Expected Profitability,Tobins Q and Cash Flow in Econometric Models of Company Investment[R].The Institute for Fiscal Studies,workpaper.2004-04-12.
6Carpenter R.E.,Guariglia,A.Cash flow,investment,and investment opportunities:New tests uning UK panel data[D].University of Nottingham,School of Economic,School Discussion Paper,2003-03-24.
7Chirinko,R.S.Investment,Tobin's Q and Multiple Capital Inputs[R].NBER:Working Paper,1986,2033.