Countries contributing troops to UN peacekeeping or assistance missions or offices. At times the term troop/police-contributor has been used instead of "troop-contributing country

Allows members to impose restrictions against individual exporting countries if the importing country can show that both overall imports of a product and imports from the individual countries are entering the country in such increased quantities as to cause — or threaten — serious damage to the relevant domestic industry.

Countries of origin and purchase in international merchandise trade transactions.

Requirement that the investor use earnings from exports to pay for imports.

There are two trade systems in common use by which international merchandise trade statistics are compiled the:

- general trade system, and the

- special trade system

Is an indicator of welfare losses caused by commercial policy instruments.

Measures the importance of international trade in a country's macroeconomy. The world average is 56.4%. A higher ratio than the average means higher trade open economy that also depends increasingly on the global economy.

Encompasses all commodities of international trade.

Measures the contribution of the net balance of external trade to the national output. A negative ratio depicts a deficit.

The trade balance is the difference between exports and imports of goods and services.