@article{2015,title={NEW FOREIGN TRADE THEORIES},abstractNode={A new trade theory which is suggested at the end of 1970’s is an important development in international trade area. A main facility of new trade theories have left pure competition and steady returns to scale which was a main assumption in traditional trade theories. New trade theories accepted a main assumption of increasing returns to scale and imperfect market analysis. The main reason of calling “new” is mathematical explanation of foreign trade theories including economies of scale and imperfect market frame has made at the end of 1970’s. New trade theories bring up a lot of important questions again likewise reason of foreign trade, determination of international specialization tend, profitability of foreign trade, influence of protectionism etc. The answers which are given under the assumptions of increasing returns to scale and imperfect market give a new dimension to foreign trade theories. In this article factors in the emergence of new trade theory will be explained in chapter I and new foreign theories will be explained in chapter II. In first chapter, traditional theory deficiencies will be explained, and criticism against the assumptions of the traditional theory will be made. Factor that requires a revision of the traditional theory is expressed. In second chapter, monopolistic competition in international trade theory and its concept, assumptions, variables, and mechanism is illustrated. In continue of the article, product cycle theory, preference similarity theory, and its assumption, definition, and classification is made. Technology Gap theory and qualified labor theory are explained. The understanding of these theories is important to perceive the variation between traditional trade theory and new trade theories and this give a new perspective the literature.},author={Aslı YILMAZ},year={2015},journal={The Journal of Academic Social Science Studies}}