Nominal income rules for monetary policy have long been debated, but two issues are of particular recent interest. First, there are questions about the performance of such rules over a range of plausible empirical models---especially models with and without rational inflation expectations....

With an eye toward financial asset pricing, asset allocation, and risk management, I review and interpret the rapidly-growing literature on modeling and forecasting realized volatility constructed from high-frequency returns. I discuss a variety of applications and extensions, including recent...