Engineering Economics
The deliberate lowering of the price of a nation’s currency in terms of the accepted standard (Gold, American dollar or the British pound) is known as ______.

Currency appreciation
Currency devaluation
Currency depreciation
Currency float

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Engineering Economics
Perfect monopoly exists only if:

the single vendor gets the absolute franchise of the product
the single vendor is the only one who has the permit to sell
the single vendor can prevent the entry of all other vendors in the market
the single vendor is the only one who has the knowledge of the product

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