Heterogeneous Expectations and Bond Markets
40 Pages Posted: 3 Jan 2007 Last revised: 11 Nov 2010
Date Written: May 2009
This paper presents a dynamic equilibrium model of bond markets in which two groups of agents hold heterogeneous expectations about future economic conditions. The heterogeneous expectations cause agents to take speculative positions against each other and therefore generate endogenous relative wealth fluctuation. The relative wealth fluctuation amplifies asset price volatility and contributes to the time variation in bond premia. Our model shows that a modest amount of heterogeneous expectation can help explain several puzzling phenomena, including the "excessive volatility" of bond yields, the failure of the expectations hypothesis, and the ability of a tent-shaped linear combination of forward rates to predict bond returns.
Keywords: bond markets, heterogeneous expectations, yield curve, bond yield volatility
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