This paper explores the consequences for parametric and non-parametric efficiency levels and rankings when using grouped instead of individual Decision Making Units (DMU). The bias results due to the differences of the grouped DMUs frontier compared to the individual DMUs frontier. Monte Carlo...

This paper explores the consequences for parametric and non-parametric efficiency levels and rankings when using grouped instead of individual Decision Making Units (DMU). The bias results due to the differences of the grouped DMUs frontier compared to the individual DMUs frontier. Monte Carlo...

This paper explores the consequences for parametric and non-parametric efficiency levels and rankings when using grouped instead of individual Decision Making Units (DMU). The bias results due to the differences of the grouped DMUs frontier compared to the individual DMUs frontier. Monte Carlo...

In the past, the protection of agriculture in the EU from exchange rate instability was accomplished at the cost of confusing regulations, welfare losses and the discrimination of other sectors. Will the 1993 reform of the Agri-Monetary System, combined with wide 15% European Monetary System...

We quantify the contribution of rental income to pre- and post-government equivalent household income inequality and of housing wealth to net wealth inequality between 2002 and 2017 in Germany by means of a factor decomposition. Further, we differentiate by region types (urban vs. rural, large...

Given how controversially inequality is still being discussed by both academics and policy makers in Germany, we discuss methodological issues related to the measurement of inequalities and review the literature and empirical estimates of different forms of inequality. One important issue is the...