Balance of Trade
Balance of trade represents a difference in value for import and export for a country. A country has demand for an import when domestic quantity demanded exceeds domestic quantity supplied, or when the price of the good (or service) on the world market is less than the price on the domestic market.
The balance of trade, usually denoted, is the difference between the value of the goods (and services) a country exports and the value of the goods the country imports:
, or equivalently
A trade deficit occurs when imports are large relative to exports. Imports are impacted principally by a country's income and its productive resources. For example, the US imports oil from Canada even though the US has oil and Canada uses oil. However, consumers in the US are willing to pay more for the marginal barrel of oil than Canadian consumers are, because there is more oil demanded in the US than there is oil produced.
In macroeconomic theory, the value of imports can be modeled as a function of the domestic absorption and the real exchange rate . These are the two largest factors of imports and they both affect imports positively:
Read more about this topic: Import
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“As the House is designed to provide a reflection of the mood of the moment, the Senate is meant to reflect the continuity of the past—to preserve the delicate balance of justice between the majority’s whims and the minority’s rights.”
—Lyndon Baines Johnson (1908–1973)
“I am advised that there is an unexpended balance of about $45,000 of the fund appropriated for the relief of the sufferers by flood upon the Mississippi River and its tributaries, and I recommend that authority be given to use this fund to meet the most urgent necessities of the poorer people in Oklahoma.”
—Benjamin Harrison (1833–1901)
“I doubt if men ever made a trade of heroism. In the days of Achilles, even, they delighted in big barns, and perchance in pressed hay, and he who possessed the most valuable team was the best fellow.”
—Henry David Thoreau (1817–1862)