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Definitions by abu yahya

national income and product accounting; refers to the formal system of measuring capital accounts, current accounts, and gross domestic product.
National income and product accounting is the centerpiece of national economic
accounting in the United States. The NIPA's show the real and nominal value of output, the composition of output, and the distribution across types of income generated in its production.

Abraham & Mackie, *Beyond the Market,* p.40
NIPA by Abu Yahya February 14, 2009

trade deficit 

the amount of goods and services that a country imports, minus the goods and services that it exports *in a calendar year*. In 1999 Japan exported much more than it imported, so it had a trade surplus. The same year, the United States imported more than it exported, and therefore had a large trade deficit.

While Japan had a trade surplus and the USA had a trade deficit, both had something called a trade balance, which was negative for the USA and positive for Japan.
During economic downturns, political leaders become very concerned if their country is running a trade deficit, because it means that jobs are being lost to business overseas.
trade deficit by Abu Yahya February 14, 2009

trade surplus 

the amount of goods and services that a country exports, minus the goods and services that it imports *in a calendar year*. In 1999 Japan exported much more than it imported, so it had a trade surplus. The same year, the United States imported more than it exported, and therefore had a large trade deficit.

While Japan had a trade surplus and the USA had a trade deficit, both had something called a trade balance, which was negative for the USA and positive for Japan.

A country can have an overall trade deficit (like the USA in all years since 1980) and still have trade surpluses with individual countries (e.g., the USA occasionally has trade surpluses with Brazil).
Usually, when a country runs a trade surplus it tends to export the excess foreign currency back to the deficit country as portfolio investment. In this way, the foreign currency retains its value.
trade surplus by Abu Yahya February 14, 2009

trade balance 

the amount of goods and services that a country exports, minus the goods and services that it imports *in a calendar year*. In 1999 Japan exported much more than it imported, so it had a trade surplus. The same year, the United States imported more than it exported, and therefore had a large trade deficit.

The trade balance is negative if a country runs a trade deficit, and positive if it runs a trade surplus.
The trade balance is an extremely important indicator of economic health for most countries. Typically (not not always) the value of the currency is strongly influenced by the trade balance also.
trade balance by Abu Yahya February 14, 2009

social good

anything of value that a society has, whether it produced the thing or not, and whether the thing is traded commercially or not.

For example the USA has natural gas (which it did not produce), air (which it did not produce), computers (which it did produce) and personal freedom (which it did produce). Air and personal freedom are not tradeable goods; it's not possible to establish ownership rights for air or freedom.

Philosophers believe that the proper distribution of social goods is still an open question, even if the distribution of economic goods (like computers) is not.
An inequality in the basic structure must always be justified to those in the disadvantaged position. This holds whatever the primary social good and especially for liberty.

John Rawls, *A Theory of Justice*, p.201
social good by Abu Yahya February 14, 2009

external deficit 

a current account deficit; a negative net flow of liquid assets to the citizens of a particular country. The external balance includes the trade balance, net foreign factor income, and net foreign aid *received*. Usually the main cause of an external deficit is a trade deficit.
Internal deficits are sometimes blamed for external deficits, especially if both are chronic.
external deficit by Abu Yahya February 14, 2009

external balance 

the current account balance; the net flow of liquid assets to the citizens of a particular country. The external balance includes the trade balance, net foreign factor income, and net foreign aid *received*. Usually the main cause of an external deficit is a trade deficit.
External balances are critical to good economic policies.
external balance by Abu Yahya February 14, 2009