How did modernization theorists view foreign trade, investment, and aid?

Modernization theorists viewed foreign trade, investment, and aid as essential engines of growth for developing countries. Emerging after World War II, this perspective argued that these mechanisms would facilitate the transition of traditional, agrarian societies into modern, industrial ones by disseminating technology, managerial skills, entrepreneurship, and knowledge.12

Specifically, modernization theorists held the following views:

• Foreign Trade: They emphasized the benefits of international trade, arguing that it allowed countries to specialize in products suited to their national factor endowments. This specialization was expected to enable more efficient resource allocation and increase earnings, which could then be translated into savings and reinvested to promote further development.1
• Foreign Investment and Aid: These were seen as critical sources of capital inflow necessary to overcome domestic weaknesses in land, labour, and capital. By encouraging these inflows, theorists believed developing nations could accelerate their progress along a linear path toward the standards of living and production characteristic of Western Europe and the United States.1

Ultimately, modernization theory posited that these external economic interactions would help developing nations overcome their "underdeveloped" status and achieve modernization.13