Why do democracies win wars? This is a critical question in the study of international relations, as a traditional view--expressed most famously by Alexis de Tocqueville--has been that democracies are inferior in crafting foreign policy and fighting wars. In Democracies at War, the first major study of its kind, Dan Reiter and Allan Stam come to a very different conclusion. Democracies tend to win the wars they fight--specifically, about eighty percent of the time.

Complementing their wide-ranging case-study analysis, the authors apply innovative statistical tests and new...

Why do some countries choose to end wars short of total victory while others fight on, sometimes in the face of appalling odds? How Wars End argues that two central factors shape war-termination decision making: information about the balance of power and the resolve of one's enemy, and fears that the other side's commitment to abide by a war-ending peace settlement may not be credible.

Dan Reiter explains how information about combat outcomes and other factors may persuade a warring nation to demand more or less in peace negotiations, and why a country might refuse to...