The Quantitative Peace

NATO’s internal cohesion is being threatened (again) – but in pushing for support on Iran, Trump may risk eroding US influence on the alliance

April 22, 2026 by Michael A. Allen

General Mark Rutte standing at a NATO podium

Written by: Michael A. Allen, Boise State University; Carla Martinez Machain, University at Buffalo, and Michael E. Flynn, Kansas State University Soon after the Israeli-U.S. war in Iran began on Feb. 28, 2026, U.S. President Donald Trump called upon NATO allies to help support the effort. The response of European leaders was at first mixed. … Read more

Bradley–Terry Models and Pairwise Comparisons in brms

April 13, 2026April 13, 2026 by Michael Flynn

Image of published article in Public Opinion Quarterly.

Whew—it’s been a minute since I’ve written a blog post. But I recently published a paper that seemed like it would lend itself nicely to a new post, so here we are! Before I move on I’ll note that this is an abbreviated version of a longer post from my personal blog. You can read … Read more

NATO’s internal cohesion is being threatened (again) – but in pushing for support on Iran, Trump may risk eroding US influence on the alliance

Bradley–Terry Models and Pairwise Comparisons in brms

Publish or Perish: A Text Adventure of Academic Survival

Gifts for Political Scientists, 2020

Presidential Election 2020: Where things stand with one week to go

Trump’s Base Strategy is Unlikely to Work in 2020. He was Warned

Civilian Victimization and Rebel Territorial Control in Sierra Leone

An Alternative Explanation of the US-Iran Escalation: A War for Public Approval?

Outside the Wire: U.S. Military Deployments and Public Opinion in Host States

Updating my civil war and terrorism syllabus