Browse by Author "Portnoy, Stephen"

  • Koenker, Roger, 1947-; Portnoy, Stephen ([Urbana, Ill.] : College of Commerce and Business Administration, University of Illinois at Urbana-Champaign,, 1990-03)

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  • Koenker, Roger W.; Ng, Pin; Portnoy, Stephen (Champaign : University of Illinois at Urbana-Champaign,, 1993-04)

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