We propose a new empirical framework that jointly decomposes the conditional variance of economic time series into a common and a sector-specific uncertainty component. We apply our framework to a large dataset of disaggregated industrial production series for the US economy. Our results...

In this paper, I document the existence of unconditional convergence in labor productivity across Mexican states in three-digit manufacturing industries. The rate of convergence for the period 1988-2018 is 1.18% per year. However, this result does not hold at the aggregate level: I find no...