We consider a model of network interactions where the outcome of a unit depends on the outcomes of the connected units. We determine the key network link, i.e., the network link whose removal results in the largest reduction in the aggregate outcomes, and provide a measure that quantifies the...

"This book focuses on strategic governance, which pertains to the influence of governance actors (those whose interests are directly or indirectly tied to firms and therefore motivated to influence firm strategic decisions, e.g., the board of directors, institutional investors, and securities...

Travel restrictions are often imposed to limit the spread of infectious diseases. As uniform restrictions can be inefficient and incur unnecessarily high costs, this paper examines the optimal design of restrictions that target specific travel routes. We propose a model with trade-offs between...