Economic growth in many countries is increasingly driven by successful startups that operate as online platforms. These success stories have motivated us to define and classify various online platforms according to their business models. This study discusses strategic and operational issues...

In an innovation contest, an organizer elicits solutions to an innovation-related problem from a group of internal solvers (e.g., in-house employees) or from a group of external solvers (e.g., crowdsourcing-platform members). These solvers may develop individual solutions and make individual...