CULTURAL AND RISK-RELATED DETERMINANTS OF GENDER DIFFERENCES IN ULTIMATUM BARGAINING* Aurora García Gallego, Nikolaos Georgantzis, Miguel Ginés and Ainhoa Jaramillo** WP-AD 2007-08 Corresponding author: Aurora Garcia Gallego, Universitat Jaume I, Departament d'Economia, Campus del Riu Sec, 12071 Castellón (SPAIN), Phone: +34 964 387161, E-mail: mgarcia@eco.uji.es. Editor: Instituto Valenciano de Investigaciones Económicas, S.A. Primera Edición Abril 2007 Depósito Legal: V-1905-2007 IVIE working papers offer in advance the results of economic research under way in order to encourage a discussion process before sending them to scientific journals for their final publication. * Comments by G. Panos and programming by J.C. Perní³as are gratefully acknowledged. This research received financial support by the Instituto Valenciano de Investigaciones Econ¶omicas. ** A. García Gallego, N. Georgantzis: LEE/LINEEX y Universitat Jaume I; M. Ginés, A. Jaramillo: LEE y Universitat Jaume I.