Examlex
Most of the petroleum found in the Persian Gulf area formed at a ____________________ continental margin where the remains of ____________________ were buried and transformed to petroleum.
Paul Krugman
An American economist and columnist known for his work on international economics, trade theory, and economic geography, as well as for being a Nobel laureate.
Dollar
The name of the official currency in several countries, including the United States, and a standard unit of currency in international markets.
Gold Supply
The total amount of gold available in the market, including mined gold, recycled gold, and central bank gold reserves.
Gold Standard
A monetary system where a country's currency has a value directly linked to gold, allowing it to be freely converted into fixed amounts of gold.
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