We build a simple formal model of governance. Investments and control rights over assets and labor are fully contractible, but final production decisions are ex ante uncontractible, and ex post negotiations are inefficient. If sunk costs are low, suppliers own assets and trade takes the form of...

This paper proposes a simple yet useful framework for evaluating vertical mergers in digital markets by distinguishing between product-specific and ecosystem-specific network effects. Vis-'a-vis no network effects, product-specific network effects amplify foreclosure and steering incentives, as...