We study multiple parallel contests where contest organizers elicit solutions to innovation-related problems from a set of solvers. Each solver may participate in multiple contests and exert effort to improve her solution for each contest she enters, but the quality of her solution at each...

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...