1 ethical differentiation and market behavior an experimental approach julian rode robin m hogarth marc le menestrel upf edu lemenestrel may 2006 universitat pompeu fabra barcelona icrea the authors gratefully acknowledge financial assistance of daad deutsche akademische austauschdienst spanish ministerio de educación y ciencia they also thank rosemarie nagel jaume garcia andreas ortmann matthew ellman referees for their constructive comments correspondence please contact department economics & business ramon trias fargas 25 27 08005 spain tel 34 93 542 2561 2 abstract does products affect we examined this issue in triopolistic markets where producers set prices one producer s costs were higher than others two treatments additional attributed to compliance with guidelines third no justification was provided many participants playing role consumers reduced gains by purchasing ethically differentiated product at a price whether or not knew amount extra cost individual differences important students paid
