Rational expectations believe that a. the government must change government spending and taxes during inflation and deflation gaps b. people will form the most accurate possible expectations about the future that they can, using all the available information available to them c. the federal reserve must buy and sell government securities during inflation and deflation gaps d. the economy will never self-correct

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Inflation and Purchasing Power Theory

In economic terms, Inflation refers to the increase in the costs of various commodities which are used in daily lifestyle like food, clothes, transport, etc. over a specific time. It may lead to a fall in the purchasing power of the people and also affects the exchange rate of the currency because of the price increase. As the purchasing power falls the unit of the currency in the economy falls. When the prices of the commodities are decreased, then the purchasing power of the consumers will rise, then it will lead to deflation and changes the currency of the base economy to that of the foreign economy which will lead to change in exchange rates.