A New Entry into the Decline of War Debate: Yes, there has been a decline

I've just posted a new paper with Stijn van Weezel on the decline-of-war debate.  This is part of an ongoing discussion  which involves such people as Steven Pinker, Nassim Nicholas Taleb and Aaron Clauset. Here is our abstract: For the past 70 years, there has been a downward trend in the size of wars, but the idea …