Using a representative establishment data set for Germany, we show that more than 40 percent of plants covered by collective agreements pay wages above the level stipulated in the agreement, which gives rise to a wage cushion between the levels of actual and contractual wages. Cross-sectional...

The wage curve identified by Blanchflower and Oswald (1994) postulates that the wage level is a decreasing function of the regional unemployment rate. In testing this hypothesis, most empirical studies have not taken into account that differences in the institutional framework may have an impact...