Using unique firm-level survey data from Germany, this paper investigates two measures of supply constraints: a new direct measure that indicates material shortages and capacity utilization, a widely accepted measure of bottlenecks and slack. We document substantial heterogeneity in supply...

We document a housing portfolio channel of quantitative easing (QE) transmission exploiting variation in German household data in a difference-in-differences setting around QE adoption in 2015. We find that QE encourages households with larger initial bond positions to rebalance more toward...