The conference Cycles, Markets and Networks The Quantitative Approach to Business Cycle Analysis in the 1930s and 1940s will be held at the University of Antwerp, Belgium, on 15-16 September 2005. The provisional programme and all practical information with regard to the conference can be found at the conference website: http://www.ua.ac.be/cycles The Invited Lecture will be given by: Edmond MALINVAUD (Centre de Recherche en Economie et Statistique, INSEE): About the role, in older days, of econometrics in quantitative economics Other papers that will be presented at the conference: Robert W. DIMAND and William A. VELOCE (Brock University): Charles F. Roos, Harold T. Davis, and the quantitative approach to business cycle analysis and economic dynamics at the Cowles Commission in the 1930s and early 1940s Olav BJERKHOLT (University of Oslo): Ragnar Frisch's approach to business cycle analysis Mauro BOIANOVSKY (Universidade de Brasilia) and Hans-Michael TRAUTWEIN (Oldenburg University): Ragnar Frisch vs. Johan �kerman on quantitative business cycle analysis Gilbert ABRAHAM-FROIS (Universit� de Paris X * Nanterre) and Emeric LENDJEL (Universit� de Paris I * Panth�on-Sorbonne): "Father" Potron's early contributions to quantitative and dynamic analysis Chikako NAKAYAMA (Tokyo University of Foreign Studies): Interpretations of probability as a foundation of business cycle theory: The contribution of Oskar Morgenstern of his Viennese period Michel ARMATTE (Universit� Paris Dauphine): Fran�ois Divisia and econometrics Marianne FISCHMAN and Emeric LENDJEL (Universit� de Paris I * Panth�on-Sorbonne): The quantitative approach to business cycles in the "X-Crise" group in the 1930s Guido ERREYGERS (University of Antwerp) and Albert JOLINK (Erasmus University Rotterdam): Perturbations, networks and business cycles: Bernard Chait's pioneering work on econometrics ******** For further information please contact Guido Erreygers ([log in to unmask]) or Kristel Van Hilst ([log in to unmask]). Guido Erreygers