A single factor that captures assets' exposure to business-cycle variation in macroeconomic uncertainty can explain the level and cross-sectional differences of asset returns. Specifically, based on portfolio-level tests I demonstrate that fluctuations in uncertainty with persistence ranging...

Using an extensive Australian sample, we explore two related issues in the context of a default risk asset-pricing factor (DEF) over the business cycle: whether a DEF can explain the size premium in the three-factor Fama–French (FF) model; and whether a DEF has a separate role itself in a...