AP Macro CPI and real vs nominal values review

What does CPI stand for?

CPI stands for Consumer Price Index, a measure that examines the weighted average of prices of a basket of consumer goods and services.

True or False: CPI includes all goods and services.

False. CPI includes a specific basket of goods and services typically consumed by households.

How is CPI calculated?

CPI is calculated by taking price changes for each item in the predetermined basket of goods, averaging them, and comparing them to the base year.

What is the base year in CPI?

The base year is a year chosen for comparison, often where CPI is set to 100.

Fill in the blank: CPI measures _______.

CPI measures inflation and the cost of living.

What is the formula for calculating CPI?

CPI = (Cost of Basket in Current Year / Cost of Basket in Base Year) × 100.

Comparing CPI and PPI: What is the difference?

CPI measures consumer price changes, while PPI (Producer Price Index) measures prices received by producers for their products.

How often is CPI released?

CPI is typically released monthly by the Bureau of Labor Statistics (BLS).

What is a key limitation of CPI?

CPI may not accurately reflect changes in consumer behavior or product quality over time.

Cause and Effect: Rising CPI affects _______.

Rising CPI affects purchasing power, leading to decreased real income.

True or False: CPI can be used to adjust Social Security benefits.

True. CPI is often used to adjust Social Security payments to keep pace with inflation.

What is the significance of core CPI?

Core CPI excludes volatile items like food and energy to provide a clearer view of long-term inflation trends.

Example: If CPI was 120 in 2023 and 100 in 2020, what is the inflation rate?

Inflation rate = ((120 - 100) / 100) × 100 = 20%.

How does CPI impact interest rates?

Higher CPI can lead to increased interest rates as central banks adjust policies to control inflation.

What is a CPI 'market basket'?

A CPI market basket is a collection of goods and services that represents typical consumption patterns.

What does a CPI of 105 indicate?

A CPI of 105 indicates that prices have risen by 5% since the base year.

Nominal value definition?

Nominal value refers to the monetary value of goods or services at current prices, without adjusting for inflation.

Real value definition?

Real value adjusts nominal values for inflation, reflecting purchasing power over time.

True or False: All nominal values are higher than real values.

False. Nominal values can be higher, lower, or equal to real values depending on inflation.

Compare real vs nominal GDP.

- Real GDP: Adjusted for inflation. - Nominal GDP: Measured at current prices.

Fill in the blank: Real wages are ____.

Real wages are nominal wages adjusted for inflation, indicating actual purchasing power.

Question: How to convert nominal to real value?

Use the formula: Real Value = Nominal Value / (CPI/100).

Example of nominal value.

$50 in 2020 is a nominal value, reflecting the dollar amount without inflation adjustment.

What happens to real value during inflation?

Real value decreases as purchasing power diminishes when prices rise.

True or False: CPI affects nominal values directly.

False. CPI affects real values as it measures inflation.

What does a rising CPI indicate?

It indicates increasing inflation, which can erode real values.

Nominal interest rate vs real interest rate?

- Nominal interest rate: Stated rate without inflation adjustment. - Real interest rate: Nominal rate minus inflation.

Calculate real GDP given nominal GDP is $1,000 and CPI is 120.

Real GDP = $\displaystyle 1,000 / (120/100) =$833.33.