Economy of the United States

The United States’ economy is a highly developed market economy. It has the world’s largest economy in terms of nominal GDP and net worth, and the second-largest in terms of purchasing power parity (PPP) after China. The United States possesses the world’s most technologically advanced and inventive economy. Its companies are at or near the …

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Elon Musk

Elon Reeve Musk FRS (born June 28, 1971) is an entrepreneur and business magnate. He is the founder, CEO, and Chief Engineer at SpaceX; early-stage investor, CEO, and Product Architect of Tesla, Inc.; founder of The Boring Company; and co-founder of Neuralink and OpenAI. With an estimated net worth of around US$270 billion as of …

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Mint (facility)

A mint is an industrial facility that produces coins that may be used as currency. The history of mints is intertwined with the history of coinage. Initially, hammered coinage or cast coinage were the primary methods of coin minting, with manufacturing runs as low as the hundreds or thousands. Coin dies are mass-produced in modern …

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Monetary authority

A monetary authority is the institution that regulates a country’s currency and money supply, generally with the goal of managing inflation, interest rates, real GDP, or the unemployment rate. A monetary authority can use its monetary instruments to successfully affect the evolution of short-term interest rates, but it can also impact other factors that determine …

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Monetary policy

Monetary policy is the policy adopted by the monetary authority of a nation to control either the interest rate payable for very short-term borrowing or the money supply, often as an attempt to reduce inflation or the interest rate, to ensure price stability and general trust of the value and stability of the nation’s currency. …

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Foreign exchange market

The foreign exchange market (Forex, FX, or currency market) is a global decentralized or over-the-counter (OTC) market for the trading of currencies. This market determines foreign exchange rates for every currency. It includes all aspects of buying, selling and exchanging currencies at current or determined prices. In terms of trading volume, it is by far the largest market in the world, followed by the credit market.


The euro (€) is the official currency of 19 of the 27 member states of the European Union. This group of states is known as the eurozone or euro area and includes about 343 million citizens as of 2019. The euro, which is divided into 100 cents, is the second-largest and second-most traded currency in the foreign exchange market after the United States dollar.


A currency in the most specific sense is money in any form when in use or circulation as a medium of exchange, especially circulating banknotes and coins. A more general definition is that a currency is a system of money (monetary units) in common use, especially for people in a nation. Under this definition, U.S. dollars (US$), euros (€), Indian rupee (₹), Japanese yen (¥), and pounds sterling (£) are examples of currencies. Currencies may act as stores …

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