While firms increasingly adopt open innovation, little is known about whether firms gain or lose from this innovation … open innovation strategies, particularly collaboration and contractual forms of relationships for innovation (i ….e. innovation cooperation and R&D outsourcing/external R&D). The thesis is empirical and relates the various results to the data …

&D and innovation activities. The analysis contains two parts: A review of relevant theoretical and empirical literature and … analysis. The empirical part uses data from the Mannheim Innovationpanel on innovation activities of German firms. …