Patents, Brain Drain and Higher Education: International Barriers to the Diffusion of Knowledge, Information and Technology Binod Khadria 3 Labour Migration to the Middle East: A Review of its Context, Effects and Prospects Frans J. Schuurman and Raouf Salib 19 Import Substitution and the Structure of the Iranian Economy 1962-1977 Morteza Assadi 30 Structural Characteristics of the Mexican Economy (1942-82) Mrityunjoy Mohanty 42 DISCUSSION Government Intervention and Industrial Restructuring: The Case of South Korea Jongsoo Park 65 BOOK REVIEWS 68 204