Inflation

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What is a weighted price index?

An index where each item is given a weight based on its relative importance in consumer spending.

How do you calculate the inflation rate from CPI data?

(CPI new - CPI old) ÷ CPI old × 100

Why might the CPI overestimate inflation?

Because it ignores improvements in product quality and consumer substitution.

What is the main limitation of the CPI?

It may not reflect the consumption patterns of all households, and it ignores quality changes and substitution effects.

List two causes of cost-push inflation.

Higher wages and increased prices for imported raw materials.

What is cost-push inflation?

Inflation caused by an increase in production costs, such as wages or raw materials.

What is the inflation rate if the CPI rises from 120 to 126 over one year?

How can deflation affect debt levels?

It increases the real value of debt, making it harder for borrowers to repay.

If bread has a price increase of 10% and a weight of 15%, what is its contribution to overall inflation?

1.5%

What diagram shows cost-push inflation?

An AD/AS diagram with SRAS shifting leftward.

What is deflation?

A sustained decrease in the general price level of goods and services.

What diagram shows demand-pull inflation?

An AD/AS diagram with AD shifting rightward.

If a product price rose from $400 to $440, what is the inflation rate for that item?

10%

What causes deflation?

A fall in aggregate demand or an increase in aggregate supply.

What is demand-pull inflation?

Inflation caused by an increase in aggregate demand.

Why is inflation a problem for exporters?

It can make exports more expensive, reducing international competitiveness.

List three effects of high inflation on the economy.

Uncertainty, reduced competitiveness, and redistribution of income.

How can inflation affect savers?

It erodes the purchasing power of their savings if interest rates are lower than inflation.

What is disinflation?

A fall in the rate of inflation, meaning prices are rising more slowly.

What does the Consumer Price Index (CPI) measure?

The average change in the prices of a basket of goods and services typically consumed by households.

The Curious Economist

Economic news for students

Inflation in the News

Turkey’s Inflation Soars to 68.5%

Japan Bids Farewell to Negative Interest Rates

Bank of England Holds Firm on the Interest Rate

Inflation Unveiled: Making Cents of Our Changing Economy

Bank of England’s Interest Rate Riddle: Balancing Inflation and Growth!

U.S. Retail Sales Surprise with July Jump!

Inflation Takes a Breather: US Sees Lowest Annual Rate in Over Two Years

Argentina’s Central Bank Hikes Interest Rate to 97%!

UK Inflation on a Roll: Record Bread Prices Send Inflation Soaring