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Cointegration and Consumption Risks in Asset Returns

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  • Ravi Bansal
  • Robert Dittmar
  • Dana Kiku

Abstract

We argue that the cointegrating relation between dividends and consumption, a measure of long run consumption risks, is a key determinant of risk premia at all investment horizons. As the investment horizon increases, transitory risks disappear, and the asset's beta is dominated by long run consumption risks. We show that the return betas, derived from the cointegration-based VAR (EC-VAR) model, successfully account for the crosssectional variation in equity returns at both short and long horizons; this is not the case when the cointegrating restriction is ignored. Our evidence highlights the importance of cointegration-based long run consumption risks for financial markets.

Suggested Citation

  • Ravi Bansal & Robert Dittmar & Dana Kiku, 2007. "Cointegration and Consumption Risks in Asset Returns," NBER Working Papers 13108, National Bureau of Economic Research, Inc.
  • Handle: RePEc:nbr:nberwo:13108
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    JEL classification:

    • C01 - Mathematical and Quantitative Methods - - General - - - Econometrics
    • C13 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Estimation: General
    • G00 - Financial Economics - - General - - - General
    • G1 - Financial Economics - - General Financial Markets
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates

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