On the Economic Consequences of Index-Linked Investing
NYU Stern School of Business; National Bureau of Economic Research (NBER)
July 24, 2010
CHALLENGES TO BUSINESSES IN THE TWENTY-FIRST CENTURY: THE WAY FORWARD, W.T. Allen, R. Khurana, J. Lorsch, G. Rosenfeld, eds., 2010
Trillions of dollars are invested through index funds, exchange-traded funds, and other index derivatives. The benefits of index-linked investing are well-known, but the possible broader economic consequences are unstudied. I review research which suggests that index-linked investing is distorting stock prices and risk-return tradeoffs, which in turn may be distorting corporate investment and financing decisions, investor portfolio allocation decisions, fund manager skill assessments, and other choices and measures. These effects may intensify as index-linked investing continues to grow in popularity.
Number of Pages in PDF File: 27
Keywords: indexing, index fund, ETF, comovement
JEL Classification: G11, G12, G14, G23, G31working papers series
Date posted: August 30, 2010
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