The article examines how trade agreements between countries affect the amount of foreign investment flowing into those countries. By analyzing different types of trade agreements and considering political factors, the study shows that the relationship between trade agreements and foreign investment varies depending on the type of agreement and the countries involved. For example, joining a customs union with a developed country has a different impact on foreign investment than becoming a member of the World Trade Organization. This research provides insights for policymakers looking to attract more foreign investment to their countries.