Constructing a Consumer Price Index
To create a Consumer Price Index (CPI), a base year is selected and a representative 'shopping basket' of goods and services is defined. The total cost of this basket is tracked over time. The index for any given year is calculated by dividing the cost of the basket in that year by its cost in the base year, and then multiplying by 100. This process converts absolute price data into a standardized index for measuring inflation.
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Ch.1 The supply side of the macroeconomy: Unemployment and real wages - The Economy 2.0 Macroeconomics @ CORE Econ
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Definition of Real Wage
Constructing a Consumer Price Index
Composition of the CPI Basket
Weighting of Items in the CPI Basket
Treatment of Imports and Exports in the CPI
Steps to Calculate the Inflation Rate
Quality Adjustment Challenge in Economic Measurement
Causes and Impact of the 2021-2022 Global Inflation Surge
Suppose the price of a standard smartphone, a key item in the fixed basket of goods used to measure consumer prices, increases by 20% in one year. In that same year, the new standard model includes a significantly better camera, a faster processor, and longer battery life. Based on this information, what is the most accurate evaluation of how this price change affects the measurement of the cost of living?
Calculating Inflation in a Simplified Economy
An economist is tasked with creating a price index to measure the change in the cost of living for a typical urban family. Which of the following approaches best aligns with the methodology and purpose of the Consumer Price Index (CPI)?
Consider an economy where the following events occur simultaneously: (1) The price of imported coffee, a popular beverage, rises by 15%. (2) The price of domestically manufactured jet engines, sold to airplane manufacturers, falls by 10%. (3) The government increases the sales tax on clothing, which consumers pay at the point of purchase. Which of these events will be directly captured in the calculation of the Consumer Price Index (CPI) for that period?
Evaluating a Price Index's Accuracy
CPI vs. Personal Cost of Living
In a simplified economy, the basket of goods used to measure consumer prices consists of only two items: Housing (which makes up 70% of a typical household's budget) and Movie Tickets (which make up 5% of the budget). In a given year, the price of housing increases by 2%, while the price of movie tickets increases by 20%. Which statement best describes the resulting change in the overall price index?
A major technological innovation makes solar panels significantly cheaper and more efficient. As a result, a large number of households switch from using natural gas for heating to using electricity generated by their new solar panels. The basket of goods used to measure consumer prices, which was last updated five years ago, gives a significant weight to natural gas but does not include residential solar panels. How would this shift in consumer spending patterns likely affect the accuracy of the price index as a measure of the change in the cost of living?
The Consumer Price Index (CPI) is designed to measure the change in the cost of a fixed basket of goods and services that a typical household consumes.
CPI and Demographic Spending Patterns
CPI as a Measure of the Cost of Living
The 'Typical Household' in CPI Calculation
Inclusion of Consumption Taxes in the CPI
Constructing a Consumer Price Index
An economic report states that the price of luxury yachts and rare art has doubled in the past year. During the same period, the average costs of housing, food, and transportation have remained stable. Based on the purpose of the Consumer Price Index (CPI), what is the most likely effect of these price changes on the overall CPI?
Evaluating the CPI's Representation of Cost of Living
Significance of the 'Representative Basket' in Price Level Measurement
An increase in the Consumer Price Index (CPI) from 110 to 121 in one year indicates that the average cost of the representative basket of goods and services has increased by 10%.
Process for Calculating the Inflation Rate