We consider the consumption and portfolio choice problem of a long-run investor when the term structure is affine and when the investor has access to nominal bonds and a stock portfolio. In the presence of unhedgeable inflation risk, there exist multiple pricing kernels that produce the same bond prices, but a unique pricing kernel equal to the marginal utility of the investor. We apply our method to a three-factor Gaussian model with a time-varying price of risk that captures the failure of the expectations hypothesis seen in the data. We extend this model to account for time-varying expected inflation, and estimate the model with both inflation and term structure data. The estimates imply that the bond portfolio for the long-run investor looks very different from the portfolio of a mean-variance optimizer. In particular, the desire to hedge changes in term premia generates large hedging demands for long-term bonds.
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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number
10086.
Length: Date of creation: Nov 2003 Date of revision: Handle: RePEc:nbr:nberwo:10086
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References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
John H. Cochrane & Monika Piazzesi, 2002.
"Bond Risk Premia,"
NBER Working Papers
9178, National Bureau of Economic Research, Inc.
[Downloadable!] (restricted)
Other versions:
John H. Cochrane & Monika Piazzesi, 2005.
"Bond Risk Premia,"
American Economic Review,
American Economic Association, vol. 95(1), pages 138-160, March.
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Cited by: (explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)
Ralph S.J Koijen & Otto Van Hemert & Stijn Van Nieuwerburgh, 2007.
"Mortgage Timing,"
NBER Working Papers
13361, National Bureau of Economic Research, Inc.
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Koijen, Ralph S.J. & Hemert, Otto Van & Nieuwerburgh, Stijn Van, 2009.
"Mortgage timing,"
Journal of Financial Economics,
Elsevier, vol. 93(2), pages 292-324, August.
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