The world is in a second nuclear age in which regional powers play an increasingly
prominent role. These states have small nuclear arsenals, often face multiple active conflicts …

We seek to answer the question, What effect does international war participation have on the
ability of political leaders to survive in office? We develop a model of political reliability and …

Are nuclear weapons useful for coercive diplomacy? Since 1945, most strategic thinking
about nuclear weapons has focused on deterrence-using nuclear threats to prevent attacks …

Existing nuclear deterrence scholarship evinces a pervasive “existential bias,” assuming that
once a state merely possesses nuclear weapons, it should be able to deter armed conflict …

Abstract The United States has gone to extraordinary lengths since the beginning of the
nuclear age to inhibit—that is, to slow, halt, and reverse—the spread of nuclear weapons …

Large and rapid power shifts resulting from exogenous economic growth are considered
sufficient to cause preventive wars. Yet most large and rapid shifts result from endogenous …

For decades, the reigning scholarly wisdom about nuclear weapons policy has been that the
United States only needs the ability to absorb an enemy nuclear attack and still be able to …

How can states signal their alliance commitments? Although scholars have developed
sophisticated theoretical models of costly signaling in international relations, we know little …

Do nuclear weapons offer coercive advantages in international crisis bargaining? Almost
seventy years into the nuclear age, we still lack a complete answer to this question. While …

Since its enactment in 1970, the Nuclear Non-Proliferation Treaty (NPT), has become one
node of a massive, sprawling, multibillion-dollar regime that is considered essential to …