This articlefocuses on the relative levels of farm sector productivity forthe United States and nine European countries … for the period1973 to 1993. At the beginning of the period, Belgium had thehighest level of productivity relative to the … United States at1.689. Ireland had the lowest relative productivity at 0.759.By 1993, the range of levels of productivity had …

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 …

, sozialen und Managementbereich.Formale Modelle erlauben im Gegensatz zu mentalen Modellen die Identifikation von Schwachstellen … Modelle bilden die Grundlage für systemisches Denken. Der Begriff systemisches Denken ist in der Wissenschaft nicht eindeutig … Modellierungsansatz. Die qualitative Modellierungsmethode enthält die Erstellung von Kausaldiagrammen (formale Modelle). Eine Vielzahl von …