implement, while the active management strategies would incur a higher cost structure. See also Relative return References Paul Samuelson, "Proof That Properly Anticipated Prices Fluctuate Randomly." Industrial Management Review, Vol. 6, No. 2, pp. 41–49. Reproduced as Chapter 198 in Samuelson, Collected Scientific Papers, Volume III, Cambridge, M.I.T. Press, 1972. Riepe, M (1998). "Are enhanced index mutual funds worthy of their name?". The Journal of Investing (1068-0896), 7 (no. 2), p. 6. Investment