Preface - List of Contributors - Abbreviations and Acronyms - Acknowledgements - Scientific Programme Committee - Addresses at the Inaugural Session: Gerardo Ortega, President of the General Council of the Colleges of Economists of Spain, Victor L.Urquidi, President of the International Economic Association, 1980-83, Felipe Gonzalez, President of the Government of Spain - PART 1 INTRODUCTION; V.L.Urquidi - PART 2 PAPERS PRESENTED AT THE PLENARY SESSION; O.Bogomolov, F.Herrera, J.Lesourne, J.P.Lewis, H.M.A.Onitiri, L.A.Rojo & A.Sen - PART 3 COMMENT ON THE PAPERS OF THE PLENARY SESSION; J.Pajestka & L.B.M.Mennes - PART 4 GENERAL CONCLUSIONS OF THE CONGRESS - Addresses at the Closing Session: Abdon Fernandez Cabrero, Dean of the Colegio de Economistas, Madrid, Kenneth J.Arrow, President of the International Economic Association, 1983-86, Victor L.Urquidi, President of the International Economic Association, 1980-83, H.M. The King of Spain, Don Juan Carlos - Index