Proceedings of the National Academy of Sciences

During the war in Afghanistan, America’s longest war, the Taliban suffered high casualties and territorial losses against a well-funded and well-armed opponent. Despite these circumstances, the Taliban endured the lengthy war, and ultimately emerged...

In a new essay published in Proceedings of the National Academy of Sciences, Jenna Bednar, professor of public policy and political science, compares the state of the U.S. democracy to the notions that existed when James Madison was writing the...

Whether a nation should retaliate against a cyber attack is a complicated decision, and a new framework guided by game theory could help policymakers determine the best strategy. The "Blame Game" was developed in part by Robert Axelrod, a...

Climate change is likely to increase U.S. electricity costs over the next century by billions of dollars more than economists previously forecast, according to a new study involving a University of Michigan researcher. The study shows how higher...