| Co-worker networks and regional growth in Sweden 1985-2010; in co-operation with Rikard Eriksson (Umea University) |
| Geography of online social networks and spatial diffusion of online innovations; in co-operation with Ákos Jakobi (ELTE University), János Kertész (Central European University), Bence Ságvári (Hungarian Academy of Sciences), and Attila Varga (University of Arizona) |
| Industry space and regional dynamics in Hungary 1992-2012; in co-operation with Ron A. Boschma (Lund University and Utrecht University), Zoltán Elekes (Szeged University), Károly Miklós Kiss and László Lőrincz (Hungarian Academy of Sciences) |
| Related variety, foreign direct investments, and regional growth: the case of Hungarian transition; in co-operation with Ron A. Boschma (Lund University and Utrecht University), Imre Lengyel and Izabella Szakálné Kanó (Szeged University) |
| Spatial dynamics of patenting collaborations in Central and Eastern Europe over the post-socialist transition; in co-operation with Loet Leydesdorff (University of Amsterdam) |
| The triple helix indicator, foreign direct investments, and regional development; in co-operation with Loet Leydesdorff (University of Amsterdam) |
Balázs Lengyel 