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...

Trotz der vielfach betonten Bedeutung von Diversifikationsstrategien vor dem Hintergrund zunehmender Liberalisierung vieler Agrarmärkte existieren nur wenige empirische Arbeiten zum Zusammenhang zwischen Diversifikation und dem Erfolg landwirtschaftlicher Unternehmen. Der vorliegende Beitrag...

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...

We use data from the Luxembourg Income Study in order to quantify the economy-wide monetary gains achieved by household-size economies due to within-household sharing of goods by individuals living in multimember households. In most countries out of the twenty countries we examine, we observe a...