4Alex,Coad. Testing the principle of"growth of the fit ter":The relationship between profits and firm growth [J] Structural Change and Economic Dynamics,2007, (18) : 370 386.
5Alex, Coad. Testing the principle of"growth of the fitter":The relationship between profits and firm growth[J]. Struct ural Change and Economic Dynamics,2007, (18):370- 386.
6James F. P, Gerry M. Growth and profitability of small and medium size enterprises[J] . Journal of Financial Economics 2006, (13) :35 -42.
