Urban concentration differs across countries. One determinant of these differences is economic development, which first increases and subsequently decreases urban concentration. I condition the degree of urban concentration on the potential of countries to develop a balanced urban system. These...

This paper analyzes long-term effects of skilled-worker immigration on productivityfor the Huguenots migration to Prussia. We combine Huguenot immigration lists from1700 with Prussian firm-level data on the value of inputs and outputs in 1802 in aunique data base. In 1685, religious persecution...

Based on fieldwork in Egypt’s desert lands, this paper discusses rural childhoods in an area experiencing rapid social and cultural change. Since 1987, the Egyptian Government has made new villages in the desert as a means to increase agricultural production and solving problems of...

Die Reduzierung der Flächeninanspruchnahme stellt eine zentrale Herausforderung der Nachhaltigkeitspolitik in Deutschland dar. Mit dem 30ha-Ziel - bezogen auf die tägliche Neuinanspruchnahme von Siedlungs- und Verkehrsfläche - bis zum Jahr 2020 hat die Bundesregierung diesbezüglich eine...