/persons/resource/persons183106
Engel,
Christoph
Max Planck Institute for Research on Collective Goods, Max Planck Society;
/persons/resource/persons130171
Harhoff,
Dietmar
MPI for Innovation and Competition, Max Planck Society;
/persons/resource/persons183179
Ockenfels,
Axel
Max Planck Institute for Research on Collective Goods, Max Planck Society;