Networks and Spatial Economics, 5: (2005) 293–331 C 2005 Springer Science + Business Media, Inc. Manufactured in The Netherlands. An Investigation on the Aggregate Behavior of Firm Relocations to New Jersey (1990–1999) and the Underlying Market Elasticities JOSE HOLGUIN-VERAS Department of Civil and Environmental Engineering, Rensselaer Polytechnic Institute, 110 Eighth Street, 4030 Jonsson Engineering Center, Troy, NY12180 email: jhv@rpi.edu NING XU Department of Civil and Environmental Engineering, Rensselaer Polytechnic Institute, 110 Eighth Street, 4037 Jonsson Engineering Center, Troy, NY12180 email: xun@rpi.edu HERBERT S. LEVINSON University Transportation Research Center, Region 2, City College of New York, 138th Street and Convent Avenue, New York, NY 10031 email: HSLEVINSON@aol.com CLAIRE E. MCKNIGHT Department of Civil Engineering, City College of New York, 138th Street and Convent Avenue, New York, NY 10031 email: mcknight@utrc2.org ROSS D. WEINER Department of Economics, City College of New York, 138th Street and Convent Avenue, New York, NY 10031 email: rweiner@ccny.cuny.edu ROBERT E. PAASWELL University Transportation Research Center, Region 2, City College of New York, 138th Street and Convent Avenue, New York, NY 10031 email: paaswell@utrc2.org KAAN OZBAY Department of Civil and Environmental Engineering, Rutgers, The State University of New Jersey, 96 Davidson Road, Piscataway, NJ 08854 email: kaan@rci.rutgers.edu DILRUBA OZMEN-ERTEKIN Urbitran Associates, Inc., 623 Bowser Road, Piscataway, NJ 08854 email: dilrubae@rci.rutgers.edu