The number of archives added to RePEc in April 2007 was 13, for a total of 750 defined archives: TIK Centre for Technology, Innovation and Culture (TIK), University of Oslo SFU Department of Economics, Simon Fraser University PHD Philippine Institute for Development Studies (PIDS) CEY Departamento de Ciencias Económico Administrativas, Instituto Tecnológico de Celaya WLY John Wiley & Sons, Ltd. NTD Programa Interuniversitario de Doctorado en Nuevas Tendencias en Dirección de Empresas, Valladolid HER CHERE (Centre for Health Economics Research & Evaluation), University of Technology, Sydney GDM Program of the Global Demography of Aging, Harvard University JRP Jena Economic Research Papers PID Pakistan Institute of Development Economics MEA University of Mannheim RPP CREPP, HEC- Business school, University of Liège RWI Rheinisch-Westfälisches Institut für Wirtschaftsforschung There are 178 archive codes assigned that have not yet been implemented. Kit