The Correlates of War and the Long Peace

This lecture is about the Correlates of War, the other major conflict dataset in international relations.

Takeaway Points

  1. A war is sustained combat between regular armed forces of two states, featuring at least 1000 combat fatalities in total and at least 100 combat fatalities or at least 1000 armed forces on each side.
  2. The frequency of war has been trending downward following World War II, but it is not clear whether this is a trend or statistical luck.