Third-party sales is about 39% of Amazon's units sold[0]. The actual value of third-party sales is probably a more useful and informative measure, but I can't s

Third-party sales is about 39% of Amazon's units sold[0]. The actual value of third-party sales is probably a more useful and informative measure, but I can't seem to find that information anywhere. All I can find is this outdated (2008) report that vaguely says it's "around 40%"[1]. [0]http://www.forbes.com/sites/greatspeculations/2013/01/30/amazons-third-party-sellers-drive-margins-and-stock-higher/ http://www.forbes.com/sites/greatspeculations/2013/01/30/ama... [1]http://web.stanford.edu/class/ee204/Publications/Amazon-EE353-2008-1.pdf http://web.stanford.edu/class/ee204/Publications/Amazon-EE35...