Dear colleagues, This is an early announcement (full programme with abstracts available upon request): Research Day Dutch-Flemish Society for the History of Economic Thought 1 September 2006, 10:30 - 17:30 Roosevelt Academy, Middelburg, the Netherlands The social embeddedness of economic thinking: The work of M.J.H. Cobbenhagen Arnold Wilts (Vrije Universiteit Amsterdam) August L�sch (1906-1945) and the dilemma of regional economics Gert-Jan Hospers (Universiteit Twente) Impulse or propagation? How the tides turned in Business Cycle Theory Jan Reijnders (Universiteit Utrecht) New Economic Geography and World's First Industrial Area 'De Zaan' Piet de Vries (Universiteit Twente) Leonardus Lessius: between tradition and renewal Toon Van Houdt - Wim Decock (Katholieke Universiteit Leuven) Rudolf van Genechten and the History of Economic Thought H.W.Plasmeijer (Universiteit Groningen) The Role of Institutions in Economics and Sociology, a Methodological Exposition Piet Keizer (Universiteit Utrecht) Bert Mosselmans