For much of the last four decades, leading analysts have used large Keynesian macroeconomic models to prepare macroeconomic forecasts. More recently, VAR models have become a popular alternative. Despite their usefulness in preparing unconditional forecasts, VAR models are unsuitable for policy...

Persistence risk is an endogenous source of risk that arises when a rational agent learns about the length of business cycles. Persistence risk is positive during recessions and negative during expansions. This asymmetry, which solely results from learning about persistence, causes expected...