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The most energy- efficient form of transportation in the animal kingdom is a human on a bicycle. A basic physics principle that helps explain the bicycle's high efficiency is
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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Q89: The denomination of most corporate bonds is_