9.3 The Uses Of Index Numbers Flashcards
What is an index number?
Number used in an index, such as consumer prices index to enable accurate comparisons over time to be made
How are changes in gdp and other economic variables expressed?
Using index numbers
When do economists frequently use index numbers?
When making comparisons over periods of time
(Starts in a given year-base year index number is 100
(Index number of 105 would be a 5% increase)
What is the name of the new price index introduced by the ONS in 2012 and what does it do?
CPIH
Counteract criticisms that the main weakness of the CPI is it does not reflect the costs of being a house owner (H stands for house)
What price index does not relate to changes in consumer prices?
PPI (Producer price indices) measure changes in input and output prices of goods brought and sold by UK manufactures
What is the best known published economic and financial indexes in the UK?
The FTSE 100
What is the FTSE 100?
An index composed of the 100 largest companies listed on the London stock exchange
What is the FTSE 100 used for?
It is a good performance indicator of major public companies