Cybersecurity has gained prominence in the decision‐making of firms. Due to the increasing
occurrences of threats in the cyberspace, investments in cybersecurity have become critical …

Conflict and cooperation do not result from isolated individual actions. In settings such as
insurgency, interstate conflict, protest mobilization, and informal governance, actors are …

We review the main economic models of war and conflict. These models vary in details, but
their implications are qualitatively consistent, highlighting key commonalities across a …

We develop a theoretical model of security investments in a network of interconnected
agents. Network connections introduce the possibility of cascading failures due to an …

Competitive situations resembling contests are ubiquitous in modern economic landscape.
In a contest, economic agents expend costly effort to vie for limited prizes, and they are …

Infrastructure networks are vulnerable to both cyber and physical attacks. Building a secure
and resilient networked system is essential for providing reliable and dependable services …

The complex web of exposures and interlinkages across the financial system highlights the
relevance of network analysis in understanding systemic risk and guiding the design of …

This paper examines a game‐theoretic model of attack and defense of multiple networks of
targets in which there exist intranetwork strategic complementarities among targets. The …

I examine blockchain congestion episodes caused by more than 4,400 triggers for
ransomware attacks over a two-year period. When demand for settlement exceeds …

This paper connects the rise in polarization to changes in media technology, which allow for
higher precision in the advertising strategy of candidates. Candidates place ads in media …