We provide a simple model of repeated extortion. In particular, we ask whether corrupt government officials' opportunism to demand more once entrepreneurs have made sunk investments entails further distortion in resource allocations. If the choice of technology is left to the entrepreneurs, the...

This paper develops a simple model to analyze the effects of mergers in complementary system markets when the merged firm is able to engage in bundling. In particular, I analyze the impact of (mixed) bundling on pricing decisions for existing generations of products and derive welfare...

This paper develops an incomplete contract model of the licensing relationship to analyze the dynamic effects of licensing on R& D competition in the innovation market and to examine the rationale for often observed grant-back clauses. Of particular concern are how the consideration of future...

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...

We study oligopolistic firms' incentives to share customer information about past purchase history in a situation where firms are uncertain about whether a particular consumer considers the product offerings complements or substitutes. By addressing this new type of behavior-based price...

Patent protection has gradually expanded over time, and many patents of suspect value are routinely granted owing to the lack of rigorous scrutiny in the examination process. This has resulted in the recent explosion of patents granted and potentially creates a "patent thicket"that hinders...