Inflation
Increase in the general level of prices
Disinflation
A reduction in the rate of inflation (Ex: 2020 inflation was 8%, 2021 is 7%)
Consumer Price Index (CPI)
Price index used to measure the inflation rate
Market basket
Collection of consumer G/S purchased by a typical urban consumer
Nominal Income
Income earned in current dollars
Real income
Income earned after inflation has been taken into account
Demand-Pull Inflation
Occurs when an increase in demand pulls up prices
Cost-Push Inflation
Occurs when a firmsā per unit costs of production increase, causing the supply to decrease
Deflation
Decrease in the general level of prices
Hyperinflation
Extreme inflation
New Goods Bias
When more expensive goods entering the market basket cause prices to go up
Changes in the Quality of Goods Bias
Improvement in the quality of goods increasing prices
Substitution Bias
Consumers will substitute expensive goods with cheaper ones