and input size and studies its importance in shaping the relationship between productivity dispersion and the producer … size, a fact that is presented along with supportive empirical results. The role of market structure is then elaborated in … level. Moreover, this productivity dispersion falls with employment size within most manufacturing industries. This pattern …

Kwiatkowski et al. (1992) and Leybourne and McCabe (1994) may cause extreme size distortions, if the model under the null … hypothesis is highly persistent. The existence of such size distortions has not been recognized in the previous literature. We … the recent float. Size distortions of tests of the unit root null hypothesis may be overcome by the use of finite …