Publications: German economic research institutes on track. - Rolf Ketzler; Klaus F. Zimmermann (Scientometrics, 2009)

Comparing the early research performance of PhD graduates in labor economics in Europe and the USA. - Ana Rute Cardoso; Paulo Guimarães; Klaus F. Zimmermann (Scientometrics, 2010)

A citation-analysis of economic research institutes. - Rolf Ketzler; Klaus F. Zimmermann (Scientometrics, 2013)

Youth Unemployment and Vocational Training. - Klaus F. Zimmermann; Costanza Biavaschi; Werner Eichhorst; Corrado Giulietti; Michael J. Kendzia; Alexander Muravyev; Janneke Pieters; Núria Rodríguez-Planas; Ricarda Schmidl (Found. Trends Microeconomics, 2014)