This paper proposes a model for a certification market with an imperfect testing technology. Such a technology only assures that whenever two products are tested the higher quality product is more likely to pass than the lower quality one. When only one certifier with such testing technology is...

It is often argued that certifiers have an incentive to offer inflated certificates, although they deny it. In this paper, we study a model in which a certifier is paid by sellers, and may offer them inflated certificates, but incurs costs if doing so. We find that the certifier may face a...

Standard essential patents have emerged as a major focus in both the public policy and academic arenas. The primary concern is that once a patented technology has been incorporated into a standard, the standard can effectively insulate it from competition from substitute technologies. To guard...