in C.H. BUECHTEMANN Ed. Employment Security and Labor Market Behavior, Cornell University Press, Ithaca, 1993, p.69-125.
Avec Bruno AMABLE
in Henri CAPRON Ed. Proceedings of the Workshop on Quantitative Evaluation of the Impact of R&D Programmes (23-24 January 1992, Brussels), Commission of the European Communities, November 1992, p.45-74.
dans M. DI MATTEO, A. VERCELLI, Onde Lunghe e Teoria Economica, Rassegna di Lavori dell’ISCO, Anno IX, n° 16, 1992, p. 287-318.
La Ocupacion del Futuro, Esthela GUTIERREZ GARZA Coordinadora, Fundacion Friedrich Ebert-Mexico, Editorial Nueva Sociedad, Caracas, 1990, p.23-45.