Study commissioned by the Bündnis 90/ Die Grünen parliamentary group in the Bundestag
Distribution grids in European comparison
Guest article in bne-kompass 01/2011: Focus on distribution grids – bne calls for transparency and efficiency
Concepts for promoting broadband investments in international comparison
On the wages of locomotive drivers at Deutsche Bahn AG
DIW Weekly Report 43/2007, pp. 621-629