Contents: Part I: Introduction 1. Antecedents of Macroeconometric Models 2. Econometric Model-Building at the Origins Part II: Experience in the USA 3. American Econometric Models of the 1950s: the Klein-Goldberger Model 4. Expansion and Theoretical Development During the 1960s: the Brookings Model as a Milestone 5. American Econometric Models of the 1970s Part III: Comparative Experience 6. The History of Dutch Macroeconometric Modelling, 1936-1986 (A.P. Barten) 7. Macroeconometric Model-Building in the United Kingdom (Sir J. Ball and S. Holly) 8. Macroeconomic Modelling in France (R. Courbis) 9. Canadian Macroeconometric Modelling, 1947-1979 and Selectively Beyond 10. Econometric Models of the Japanese Economy (K. Sato) 11. Macroeconometric Modelling of South-East Asia: the Case of India 12. Macroeconometric Modelling of Latin American Countries, 1965-1985 (A. Beltran-del-Rio) Part IV: Systems of Models 13. Regional Econometric Models (Roger Bolton) 14. Project LINK and Multicountry Modelling (B.G. Hickman) Part V: Summing Up 15. A History of Computation in Econometrics 16. Lessons from Half a Century of Macroeconometric Modelling 17. Prospects for Macroeconomic Modelling.