In this paper, we show that stable outcomes exist in matching environments with complementarities, such as social media platforms or markets for patent licenses. Our results apply to both nontransferable and transferable utility settings, and allow for multilateral agreements and those with...

This paper examines security design in imperfectly competitive markets in which assets clear separately rather than jointly. Derivatives are generally nonredundant even with zero asset supply. We characterize the scope for introducing nonredundant derivatives and examine the welfare effects of...