2Bhattacharya,M.,and Bloch,H.Adjustment of profit:evidence from Australian Manufactuing[J].Empirica,2000,27:157-73.
3Chang,Y.Non-linear Ⅳ unit root tests in panels with cross-sectional dependency[J].Econometrics,2002,110:261-92.
4Glen,J.,Lee,K.and Singh,A.Persistence of profitability and competition in emerging markets:a time series analysis[J].Economic Letters,2001,72,247-53.
5Glen,J.,Lee,K.and Singh,A.Corporate probility and the dynamics of competition in emerging markets:a time series analysis,Economic 2003,113:F465-F484.
6Im,K.S.,Pesaran,M.H.and Shin,Y.Testing for unit roots in heterogeneous panels[J].Econometrics.2003,115:53-74.
7Jacobson,R.and Hansen,G.Modeling the competitive process[J].Managerial and decision Economics,2001,22:251-63.
8Maddala,G.S.and Wu,S.A comparative study of unit root tests with panel data and a new simple test[J].Oxford Bulletin of Economics and Statistics,1999,61:631-52.
9McGahan,A.M.and Porter,M.E.The persistence of shocks to profitability[J].Review of Economics and Statistics,1999,81:143-53.
10Mueller,D.C.The persistence of profits above the norm[J].Economic,1977,44:369-80.
