This paper analyzes the effects of tying arrangements on market competition and social welfare in two-sided markets when economic agents can engage in multi-homing, that is, they can participate in multiple platforms in order to reap maximal network benefits. The model shows that tying induces...

This paper analyzes DRM-based technological tying, where the content and hardware form a system. A closed DRM system makes the legal content incompatible with a rival’s hardware, whose users must then obtain illegal copies. The main finding is that the tying firm gains market power in a...