This paper offers a critical review of the theory of international business, focusing on the limitations of the OLI paradigm and the development of a new paradigm based on firm-specific and location-specific advantages. It discusses the shifting of international business theories and highlights the major limitations associated with the conventional theories. The paper also explores the supply chain perspective of international business and differentiates between market seeking investment and asset/resource seeking investment. It concludes by emphasizing the importance of continuously studying the changing scenario of international trade.