This paper investigates the time-varying correlation between the EU12-wide business cycle and the initial EU12 member-countries based on Scalar-BEKK and multivariate Riskmetrics model frameworks for the period 1980-2012. The paper provides evidence that changes in the business cycle...

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...