micro economics theme 1 Flashcards
Calculation for PED
% change in Q demanded. / % change in P
SPLAT meaning for PED
S- substitutions
p - percent of income
L - luxury or necessity
A- addictive
T- time period
Calculation for YED (income elasticity of demand)
% change in Q demanded / % change in income
a negative figure of YED means
income rises , Q demanded falls
positive figure of YED mean s
income rises , Q demanded rises
when is a good , luxury , necessity ,inferior
> 1, 0-1 , <0
calculation for PES
%change in Q supplied / % change in price
PES factors (4)
time to produce
stock ability
factor immobility
spare production capacity
what is the price mechanism
force of supply and demand determine prices
three functions of price mechanism
singling
rationing
incentive
Consumer surplus meaning
number of people willing to pay above the given price
producer surplus meaning
number of producers willing to supply a good/ shrive for the price they receive
tax definition
compulsory contribution to government revenue
types of tax
with example
direct tax - national insurance , income tax , cooperation tax
indirect tax
- VAT
the two types of indirect taxes
Specific - amount of tax used is same
Ad valorem
- a percentage tax. e.g VAT
benefits of tax (3)
increase government revenue
incentive to save
tax on carbon emissions reduces incentives to damage environment
negatives of tax - indirect taxes (3)
burden pushed onto consumers - raises prices
less incentive to join the market - less revenue and profits
create black markets for products
negatives of tax - direct tax (3)
reduces disposable incomes
reduces profits and revenue - less research and development
less incentive to base in the Uk - however still lowest in G7
what is a subsidy
a grant from the government to increase production or lower prices
Advantages of a subsidy (6)
- reduce levels of inequality
- encourage investment into more sustainable resources
-support fledging industries - improve geographical mobility of labour
- support Research and development
- LOWER PRICES
disadvantages of subsidies (3)
- subsidy dependant
-high cost - government failure
- excess supply
what is behavioural economics
use of psychology to explain the irrational decisions people make
herd animals
people make decisions based upon others opinions and actions around us
private cost meaning
cost experienced by an individual or firm