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    • The Role of Cross-Sectional Dispersion in Active Portfolio Management 

      Weigand, Robert A.; Sapra, Steven G.; Gorman, Larry R. (Washburn University. School of Business, 2009-07-1)
      We show that relaxing one of modern portfolio theory's standard modeling assumptions--that stock returns are uncorrelated--leads to the result that cross-sectional dispersion replaces time-series volatility in many of the ...