Der vorliegende Text beschreibt effiziente Methoden der Literaturrecherche für wissenschaftliche Arbeiten, insbesondere im Rahmen des wirtschaftswissenschaftlichen Studiums.

This paper presents evidence that the spread between the marginal product of capital and the return on financial assets is mich higher in poor than in rich countries. A model with costly intermediation is developed. In this economy, individuals choose at each instant whether to work or to...