ECON 200 Lecture Notes - Lecture 12: Price Level, The Automatic, Real Interest Rate
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The data of macroeconomics: measuring the cost of living. Consumer price index (cpi) is used to monitor changes in the cost of living over time. When it rises, the typical family has to spend more money to maintain the same standard of living. Is a measure of the overall cost of the goods and services bought by a typical consumer. Each month, the bureau of labor statistics (bls) computes and reports the cpi. Bls uses data on the prices of thousands and goods and services to calculate cpi and inflation rate. The five steps for calculating cpi: fix the basket: determine which prices are most important to typical consumer. Cpi = (price of basket in current year price of basket in base year) x 100: compute the inflation rate: use cpi to calculate the inflation rate. Inflation rate in year x = ((cpi in year x cpi in year 1) cpi in year 1) x 100.