How do nations gain from International Trade?
Nations gain from international trade in multiple ways. International trade is the result of specialisation in production and benefits the world economy when countries practise division of labour in the production of commodities or provision of services.
Trade leads to regional specialisation, allowing nations to focus on producing goods where they have advantages. This results in a higher level of production and a better standard of living for the participating nations. Countries at different stages of economic development can exchange goods suited to their capacities.
International trade ensures worldwide availability of goods and services. Agricultural countries can exchange agro products for manufactured goods, while industrialised nations export machinery and finished products. This creates a mutually beneficial exchange system.
Trade also promotes equalisation of prices and wages across nations. Additionally, it facilitates the diffusion of knowledge and culture between trading partners, enriching societies globally.
International trade is based on the principle of comparative advantage, complementarity and transferability of goods and services. With well-developed transportation and communication systems, no country is willing to forego the benefits derived from participation in international trade, making it the basis of the world's economic organisation.
Explanation
The answer draws directly from the textbook context which lists specific benefits of international trade: regional specialisation, higher production, better standard of living, worldwide availability of goods, equalisation of prices and wages, and diffusion of knowledge and culture. The context also explains the theoretical basis (comparative advantage, complementarity, transferability) and how trade patterns differ based on stages of economic development.