"...a fragment of a much larger project of research on debt and debt money in human history. The first and overwhelming conclusion of this project is that in studying economic history, we tend to systematically ignore the role of violence, the absolutely central role of war and slavery in creating and shaping the basic institutions of what we now call 'the economy'. What's more, origins matter...."
http://www.eurozine.com/articles/2009-08-20-graeber-en.html