Okun's law is an extremely influential parameter in empirical research and policy analysis, based on the sizable number of estimates from this perspective. Nevertheless, it is also subject to considerable heterogeneity. We first show graphical and statistical evidence on the existence of a high...

The present research provides evidence on the determinants driving the differences in the unemployment-output relationship in Spanish regions. We followed a two-step approach. First, we estimated a set of time-varying Okun’s coefficients (rolling-window) for the autonomous communities in Spain...

Official statistics indicated a break in Okun's law in all the Spanish regions due to the COVID-19 pandemic; however, herein, evidence of the validity of the law is shown. The temporary layoff procedures (ERTE) allowed many workers to maintain their jobs. From the productive point of view, the...