Needle Sharing and HIV Transmission: A Model with Markets and Purposive Behavior
---- Acknowledgements -----
Earlier versions of this paper were presented at the annual meetings of the Econometric Society, the International AIDS Economics Network, seminars at the Columbia University Department of Economics and Mailman School of Public Health and the Harvard School of Public Health. The authors wish to thank David Canning, Dhaval Dave, John McLaren, Larry Rosenberg, Jaypee Sevilla, and numerous seminar participants for their comments. The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research.