This paper analyzes how labor ows respond to permanent idiosyncratic shifts in rm-level production functions and demand curves using very detailed Swedish micro data. Shocks to rms physical productivity have only modest eects on rm-level employment decisions. In contrast, the paper documents...

We develop a measure of labour market opportunities for heterogenous types of worker, exploiting information on their suitability different jobs encoded in historical patterns of worker mobility. We provide a theoretical foundation for our measure, which features naturally in a general random...

We offer a decomposition for the variance of the current unemployment rate that not only measures the contributions of labor market flows but also of the approximation error embedded in other decompositions that use surrogates for the current rate. Using data for the United States and Brazil,...