Rogbeer, ShaliniShaliniRogbeerAlmahendra, RanggaRanggaAlmahendraAmbos, BjörnBjörnAmbos2023-04-132023-04-132014-12https://www.alexandria.unisg.ch/handle/20.500.14171/86095enOpen-Innovation Effectiveness: When does the Macro Design of Alliance Portfolios Matter?journal article