ECON 103 Chapter Notes - Chapter 11: Price Level, Gdp Deflator, The Automatic

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Consumer price index (cpi: a measure of the overall cost of the goods and services bought by a typical consumer, price of basket of goods and services in current year price of basket in base year 100. Inflation rate: the percentage change in the price index from the preceding period. Inflation rate in yr 2 = cpi in year 2 - cpi in year 1cpi in year 1100. Producer price index: a measure of the cost of a basket of goods and services bought by firms. Problems in measuring the cost of living: substitution bias. When prices change from one year to the next, they do not all change proportionately; some prices rise more than others. Consumers respond to these differing prices by buying less. When a new good is introduced, consumers have more variety from which to choose, and this in turn reduces the cost of maintaining the same level of economic well being: unmeasured quality change.

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