Mimicking Portfolios with Conditioning Information
Wayne E. Ferson
University of Southern California; National Bureau of Economic Research (NBER)
Andrew F. Siegel
University of Washington - Department of Finance and Business Economics; National Bureau of Economic Research (NBER)
University of Denver
NBER Working Paper No. w11020
Mimicking portfolios have long been useful in asset pricing research. In most empirical applications, the portfolio weights are assumed to be fixed over time, while in theory they may be functions of the economic state. This paper derives and characterizes mimicking portfolios in the presence of predetermined state variables, or conditioning information. The results generalize and integrate multifactor minimum variance efficiency (Fama, 1996) with conditional and unconditional mean variance efficiency (Hansen and Richard (1987), Ferson and Siegel, 2001). Empirical examples illustrate the potential importance of time-varying mimicking portfolio weights and highlight challenges in their application.
Number of Pages in PDF File: 51
Date posted: February 1, 2005
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