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Schumpeter's ghost: Is hypercompetition making the best of times shorter?
Wiggins, Robert R., (2005)
Response to McGahan and Porter's commentary on 'Industry, corporate and business-segment effects and business performance: a non-parametric approach'
Ruefli, Timothy W., (2005)
Technical Note: Longitudinal Performance Stratification-An Iterative Kolmogorov-Smirnov Approach
Ruefli, Timothy W., (2000)