between infrastructure and private productivity. The second subject is the determinants of regional infrastructure investment … infrastructure to private production; the essays three to five study besides the productivity effects also the determinants of …

rigidity. The third essay analyses how different unionisation structures affect firm productivity and firm performance in a … among heterogeneous producers and increases average productivity and profit levels, firm-level bargaining allows less … productive entrants to remain in the market. The positive effect of centralised bargaining on average productivity can, however …

on productivity growth, and additionally export behavior has to be persistent over time. Both conditions are empirically …

-, consultation-, and co-determination rights. The effects works councils have on productivity and profits are estimated for medium …-sized manufacturing firms using information from the IAB establishment panel. The results indicate a positive effect on productivity of 6 …

derived with DEA. It uses these results to investigate the productivity change in Polish agriculture during a crucial period …. The bias corrected estimates show regress in productivity at an annual rate of 4 percent. The confidence intervals suggest … productivity. The cluster analysis based on confidence bounds reveals three paths of productivity change. Farms which recorded an …