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April 25, 2024 

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VERIFICATION: The hypothesis-testing step of the scientific method. Once an hypothesis is derived from a theory, it must be compared with real world data. This is the verification step. This verification can lead to support or refutation of the hypothesis. Enough support enables a hypothesis to become a principle. Refutation calls into question the theory implying the hypothesis.

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ENTRY BARRIER: An institutional, government, technological, or economic restriction on the entry of firms into a market or industry. The four primary barriers to entry are: resource ownership, patents and copyrights, government restrictions, and start-up costs. Barriers to entry are a key reason for market control and the inefficiency that this generates. In particular, monopoly, oligopoly, monopsony, and oligopsony often owe their market control to assorted barriers to entry. By way of contrast, perfect competition, monopolistic competition, and monopsonistic competition have few if any barriers to entry and thus little or no market control.

     See also | institution | government | technology | firm | market | market control | inefficiency | monopoly | monopsony | oligopsony | perfect competition | monopolistic competition | monopsonistic competition |


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IMPACT LAG

The time lag that occurs between the implementation of a government policy designed to correct an economic problem and the complete impact of the policy. The impact lag is based on the multiplier process and can last up to a year or two or even longer. This "outside lag" is one of four policy lags associated with monetary and fiscal policy. The other three "inside lags" are recognition lag, decision lag, and implementation lag. All four policy lags can reduce the effectiveness of business-cycle stabilization policies and can even destabilize the economy.

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Today, you are likely to spend a great deal of time watching the shopping channel seeking to buy either a turbo-powered vacuum cleaner or a battery-powered, rechargeable vacuum cleaner. Be on the lookout for high interest rates.
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North Carolina supplied all the domestic gold coined for currency by the U.S. Mint in Philadelphia until 1828.
"Sometimes when you innovate, you make mistakes. It is best to admit them quickly and get on with improving your other innovations. "

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