To present a comprehensive, up-to date, and clear exposition of the theory , policy and principles of international economics that are essential for understanding, evaluating and suggesting solutions to the important international economic problems and issues facing the world.

The overwiew of international trade theories like The Ricardian Model ,The Heckscher-Ohlin Model ,The Ricardo-Viner (Specific Factors) Model ,Scale Economies and Imperfect Competition and the international trade policy and its instruments.