It is shown how the frequency of central bank intervention in financial markets can affect the incentives for economic agents to acquire information, which will be reflected in market prices and thus become available to policy makers. The optimal frequency of intervention, and therefore the...

This study characterizes volatility dynamics in external emerging bond markets and examines how prices and volatility respond to news about macroeconomic fundamentals. As in mature bond markets, macroeconomic surprises in external emerging bond markets are found to a¤ect both conditional...

Observers have often characterized asset markets as being subject to periods of tranquility and periods of turbulence. Until recently, however, researchers were unable to produce closed-form asset pricing formulas in a model environment of time-varying risk. Some work by Abel provided us with...