International trade is the exchange of goods and services across international boundaries or territories. In most countries, it represents a significant share of GDP. While international trade has been present throughout much of history, its economic, social, and political importance has been on the rise in recent centuries. Industrialization, advanced transportation, globalization, multinational corporations, and outsourcing are all having a major impact. Increasing international trade is basic to globalization”.
This article discusses about several different models to predict patterns of trade and to analyze the effects of trade policies such as tariffs and risks in international trade