In May 2003 a study was conducted by Michael H. Schill, director of the Furman Center for Real Estate and Urban Policy at New York University; Jonathan Miller, president of Miller Samuel, millersamuel.com a leading Manhattan appraisal company; and Ioan Voicu, a research fellow at the Furman Center. nyu.edu The study looked at Manhattan Apartment attributes and ammenities in features ranging from the age of building, fireplaces, terraces, condos vs coops, views, financial requirements, square footage, doorman etc. and gave each a premium. The study found there is a 15% premium for condos over coops. Some say there is a premium for (3 comments)