Julian P. Christ, born in 1981, studied Economics at the University of Hohenheim, where he graduated as Diplom-Ökonom in 2006 and achieved his doctorate in Economics in 2011. He currently works as a research and teaching assistant at the Economics Department at the University of Hohenheim.

• Contents: Research clustering analysis – Inventorship clustering analysis – Analysis of spatial concentration of technology fields in Europe – Calculation of regional research cluster indices – Analysis of European R&D networks – Calculation of EPO co-patenting linkages – Analysis of European regional growth disparities – Analysis of regional divergence.

Julian P. Christ, born in 1981, studied Economics at the University of Hohenheim, where he graduated as Diplom-Ökonom in 2006 and achieved his doctorate in Economics in 2011. He currently works as a research and teaching assistant at the Economics Department at the University of Hohenheim.

• Contents: Research clustering analysis – Inventorship clustering analysis – Analysis of spatial concentration of technology fields in Europe – Calculation of regional research cluster indices – Analysis of European R&D networks – Calculation of EPO co-patenting linkages – Analysis of European regional growth disparities – Analysis of regional divergence.

Julian P. Christ, born in 1981, studied Economics at the University of Hohenheim, where he graduated as Diplom-Ökonom in 2006 and achieved his doctorate in Economics in 2011. He currently works as a research and teaching assistant at the Economics Department at the University of Hohenheim.

• Contents: Research clustering analysis – Inventorship clustering analysis – Analysis of spatial concentration of technology fields in Europe – Calculation of regional research cluster indices – Analysis of European R&D networks – Calculation of EPO co-patenting linkages – Analysis of European regional growth disparities – Analysis of regional divergence.