@conference {michael04a, title = {Specifying and Monitoring Market Mechanisms using Rights and Obligations}, booktitle = {LNAI: Agent Mediated Electronic Commerce VI}, year = {2006}, note = {Revised Papers from AAMAS workshop, New York NY (2004)}, pages = {188-201}, publisher = {Springer-Verlag}, organization = {Springer-Verlag}, url = {http://econcs.seas.harvard.edu/files/econcs/files/rights_long.pdf}, author = {Loizos Michael and David C. Parkes and Avi Pfeffer}, editor = {P. Faratin and J.A. Rodriguez-Aguilar} }