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International trade is the exchange of capital, goods, and services across international borders or territories [1] because there is a need or want of goods or services. [2] See: World economy .) In most countries, such trade represents a significant share of gross domestic product (GDP).
Two papers often cited as having critical contributions to strategic trade policy (or theory) are by Spencer and Brander, one from 1983 and the other from 1985. Both papers picture an international duopoly in which a domestic and a foreign firm compete in a third-country market where the market is in a state of oligopoly.
International trade theory is a sub-field of economics which analyzes the patterns of international trade, its origins, and its welfare implications. International trade policy has been highly controversial since the 18th century. International trade theory and economics itself have developed as means to evaluate the effects of trade policies.
Balance of trade is the difference between the monetary value of a nation's exports and imports of goods over a certain time period. [1] Sometimes services are also considered but the official IMF definition only considers goods. The balance of trade measures a flow variable of exports and imports over a given period of time. The notion of the ...
Trade in goods and services can to some extent be considered a substitute for factor movements. In the absence of trade barriers, even when factors are not mobile, there is a tendency toward factor price equalization. In the absence of barriers to factor mobility, commodity prices will move toward equalization, even if commodities may not ...
Trade in goods (visible balance) Trade in services (Invisible balance) e.g. insurance and services; Investment incomes e.g. dividends, interest and migrants remittances from abroad; Net transfers – e.g. International aid; The current account is essentially exports – imports (+net international investment balance)
Suppose initially the US exports 60 million tons of goods to Japan and imports 100 million tons of other goods under an exchange rate of $.01/yen and prices of $1/ton and 100 yen/ton, for a trade deficit of $40 million. The initial effect of dollar depreciation to $.011/yen is to make imports cost $110 million, and the deficit rises to $50 million.
In contrast, a closed economy restricts international trade and finance with other countries. In an open economy, the sale of goods or services to a foreign country is known as exporting, while the purchase of foreign goods or services is referred to as importing. Collectively, these activities form the basis of international trade.