union density on firm productivity and wages in the population of Norwegian firms over the period 2001 to 2012. Increases in … union density lead to substantial increases in firm productivity and wages having accounted for the potential endogeneity of …

from 1918 to study the impact of changes in regional unionisation on regional wage and productivity growth and job creation … unionisation yields a positive impact on regional productivity, exceeding the wage growth, partly due to the closure of less … productive firms, but also enhanced productivity of the survivors and new entrants. …