PUBLICATION: The joint workshop on pricing and incentives in networks and systems (W-PIN+NetEcon 2014)
© ACM, 2014. This is the author's version of the work. It is posted here by permission of ACM for your personal use. Not for redistribution. The definitive version was published in ACM Sigmetrics Performance Evaluation Review, Guest Editorial, Vol. 42, N°3, December 2014 http://dx.doi.org/10.1145/2695533.2695535