Are uncertainty shocks a major source of business cycle fluctuations? This paper studies the effect of a mean preserving shock to the variance of aggregate total factor productivity (macro uncertainty) and to the dispersion of entrepreneurs' idiosyncratic productivity (micro uncertainty) in a...

We infer the role of price expectations in forming the U.S. housing boom in the early-2000s from examining housing inventories. We use a reduced form model to show that agents invest in vacant homes when they anticipate prices will increase. Empirically, vacancy can discriminate between price...