Okun's law is formulated as the ratio between GDP and unemployment (UE): β = f(GDP/UE). It is used to investigate the …

immigration on unemployment. The transitory restrictions for worker migration after the EU enlargements of 2004 and 2007 exemplify … alongside trade on unemployment taking into account the substitutability of worker and goods flows. We use data from 24 OECD … persistence of unemployment. We find a significant negative effect of immigration on unemployment on average …

unemployment. The transitory restrictions for worker migration after the EU enlargements of 2004 and 2007 exemplify the supposed … unemployment controlling for the high correlation between immigration and goods flows in order to prevent an omitted variable bias … migration flows and the high persistence of unemployment. We find no significant effect of immigration on unemployment on …