CPI inflation Flashcards

1
Q

infaltino being 4% means

A

prices rising by 4%

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2
Q

if inflation is 3% in y1 but 4% in y2 whwat can you tel me about prices in y2

A

rising faster

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3
Q

3 in y1 to 4 in y2 means what type of inflation

A

rising inflation

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4
Q

if infaltion rate in year 2 is 4% but 1% in year 3 , what do we have

A

disinflatino

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5
Q

as long as inflatino rate is +ve ther is always an icnrease in

A

prices

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6
Q

what is inflation

A

persistent increases of prices in an economy in a year

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7
Q

what is disinflation

A

when the rate of infaltion is falling

inflation rate still +Ve

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8
Q

what is deflation

A

price level is falling in econ

inflation rate is -ve

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9
Q

how do countries measure infaltion

A

costructing a consumer price index

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10
Q

from constucting a cpi what can coutnry calc

A

annual rates of inflatino

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11
Q

why is cpi a useful way of measuring inflation

A

@ the end inflaiton rates given tells us about the rise in prices of g/s consumers often buying

so inflation rate more applicable and meaning to hh

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12
Q

what ar ethe 4 steps for constructing the cpi

A

family expenditure survey is carried out e.g what bought

consumer basket of the most popular goods and services is formed with avg prices attached

prices of g/s weighted based on % of income (0-1)

weighted prices are added to give price of the basket

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13
Q

how do we work out inflation with cpi

A

base year selected with index value of 100

wrighted basket prices converted into index numbers

%change calculations done to work out annual inflation rates

basket updated yearly to reflect changing consumer tastes + weights adapt

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14
Q

rpi is an alterative

A

measure of inflaiton

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15
Q

how do we cal rpi

A

exact same as cpi

but house prices included

and uses arithmetic mean - rpi gives hihger figurre

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16
Q

whats the orst issue wth teh cpi

A

avg family idea

17
Q

whats wrong with teh avg family idea

A

personal infltion rates differ as not everyone buys all g/s in basket

high Y spend on foreign holidays, this is in their basket , so if prices rise of FH increase inflation - this represents IR for high Y households but not low

low Y hh spend money on bus fares if they go up this increases ht eheadline IR but but not affect IR of rich but headline will say prices increase for everyone

so not good representative measure

18
Q

whats teh 2nd issue of cpi inflation measure

A

price fluctuatino of certain goods

19
Q

explain issue of cpi with price fluctuations of certain goods

A

food/energy subject to big fuctuations due to inelastic d/s

so if eithe rshift theres bug fluctuations in price

these are heavily weighted in CPI as we spend lots of money on em - necessities

this affects overakk CPI rate

so if fuel increases IR increases however its just hte £ of fuel not all g.s in econ inrease

20
Q

how can we get over issue of price fluctuation of g/s in econ

A

use core cpi

21
Q

what is core cpi

A

cpi-fluctuatin goods which gives us more realistic underlying inflaion rate

22
Q

where can we go if ew think changes in energt prices will affect CPI(price fluctuation of certian goods)

A

ppi

23
Q

what is ppi

A

producer price index

24
Q

what does ppi do

A

measures increase in £ of goods as leav factory

if they increase, this is due to increases in COP e.g energy

25
Q

if we see increases in ppi what can we expect

A

cpi due to those factors

26
Q

to sum up when do we go to core cpi

A

current cpi affected by goods

27
Q

to sum up when do we go to ppi

A

if we think in future ppi will be affected

28
Q

whats the 3rd issue with CPI

A

dont include hosuing costs liek ret, mortgae interest rate payment s

29
Q

why is not including housing costs in cpi an issue

A

hh spend high proprotion of income on these

30
Q

how do we get over issue of not including housing costs

A

use CPIH(HOUSING)

all hosuing costs in basket

+ this has become new headline measure of inlation

31
Q

whats the last issue of cpi

A

basket updates to slow

32
Q

explain issue of basket udpates being too slow

A

once a year may not be quick or good enough

especially if consumption habits change faster *(esp due to increase use of internet and influencing from celebs and online figure )(

this is not representatinoal enough of current consumer habits in the economy