We establish a continuous-time heterogeneous beliefs model to discuss the mechanisms of Momentum and Reversal. Price learning, information transmission and extrapolative expectation are incorporated into a unified framework for the Momentum and Reversal. The calibration results from SP500 show...

We propose a unified framework to model the effects of implicit government guarantees on bond value. Implicit guarantees improve the value of highly rated corporate bonds through lowering the default probability of such bonds, serving the role of solvency protection. Additionally, guarantees...