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 …

wages to prevent them to quit. Similarly, workers with a high layoff probability give up some of their wage to prevent them … may be related to downward wage rigidity. While it is easy to renegotiate higher wages to prevent quits, it is much more … difficult to renegotiate lower wages to prevent layoffs even if that would overall be beneficial to the workers involved …

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 …