I may have forgotten to post

that economics professors Koleman Strumpf and Felix Oberholzer have published a preliminary version of what I think is an important paper: The effect of file sharing on record sales - an empirical analysis [360K PDF]. The authors have come under withering criticism since putting the draft online, but the paper is clearly much better than anything else that has been published on the subject. If you’re curious, the New Observer in Raleigh NC has published a profile of Strumpf. Doesn’t look like an anarchist to me!