Measures of economic performance Flashcards
(227 cards)
What is the formula for a price index?
(New value)/(Base value)x100
What is the formula for inflation?
(New PL - Old PL)/(Old PL)x100
Which products in the UK economy have prices that have risen faster than the rate of inflation?
Petrol, most natural resources and food.
Which product tends to become cheaper overtime?
Technology
What is inflation?
A general increase in price levels.
What is deflation?
A general decrease in price levels.
What are index numbers?
A numerical value which reflects the % change in an economic variable since the base year.
What is disinflation?
When prices rise but at a slower rate than previously.
What do CPI and RPI stand for?
Consumer price index and retail price index.
How many goods/services does the basket in CPI have?
Around 650.
What is done to the prices in order to reflect purchasing habits?
They are weighted.
How are prices for the CPI obtained?
Using the price survey.
How many prices are collected overall for the CPI?
180,000
What does the Family Expenditure Survey enquire?
How much they spend on each type of good.
What happens to the basket of goods each year and why?
The goods/services are updated each year to reflect changes in technology/fashion.
Which type of mean does the CPI use?
The geometric mean.
Why are housing costs not included in the CPI?
Interest is the main thing that affects housing and the government can manipulate it in order to achieve their goal of a 2% inflation annually.
What mean does the RPI use and how is it different to the CPI as a result?
It uses the arithmetic mean therefore it usually always has a higher value than the CPI.
What is the main difference between the RPI and CPI?
It includes housing costs: mortgage interest repayments, council tax, estate agents’ fees, buildings insurance, house depreciation, conveyancing fees and other housing costs.
What type of people are not included in the housing costs?
The top 4% of households by income and pensioners.
What is the reason for why some people are excluded from the housing costs in the RPI?
They aren’t representative of an average UK citizen therefore it would distort the amount of income.
When is the RPI usually used?
When you owe the government money.
What is RPIX?
Same as the RPI but without the mortgage interest payments.
What is the CPIH?
Same as CPI but includes housing costs.