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Title: Robust Equilibrium Yield Curves
Authors: Kleshchelski, Isaac
Vincent, Nicolas
Keywords: Yield curve
market price of uncertainty
robust control
Issue Date: 2009-03
Series/Report no.: Cahiers du CIRPÉE;09-07
Abstract: This paper studies the quantitative implications of the interaction between robust control and stochastic volatility for key asset pricing phenomena. We present an equilibrium term structure model in which output growth is conditionally heteroskedastic. The agent does not know the true model of the economy and chooses optimal policies that are robust to model misspecification. The choice of robust policies greatly amplifies the effect of conditional heteroskedasticity in consumption growth, improving the model's ability to explain asset prices. In a robust control framework, stochastic volatility in consumption growth generates both a state-dependent market price of model uncertainty and a stochastic market price of risk. We estimate the model using data from the bond and equity markets, as well as consumption data. We show that the model is consistent with key empirical regularities that characterize the bond and equity markets. We also characterize empirically the set of models the robust representative agent entertains, and show that this set is "small". In other words, it is statistically difficult to distinguish between models in this set.
URI: http://132.203.59.36/CIRPEE/cahierscirpee/2009/files/CIRPEE09-07.pdf
https://depot.erudit.org/id/002991dd
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