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Microeconomics
Topic 3
3.1
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Cards (31)
Market definition
A
voluntary
meeting of buyers and sellers with
exchange
taking place
demand definition
the
quantity
of a good or service that consumers are willing and able to buy at given prices in a given
period
of time
supply definition
the
quantity
of a good or service that producers are willing and able to sell at
given
prices in a given period of time
competitive markets
Markets in which the large number of
buyers
and sellers possess good
market information
and can easily enter or
leave
the market
ruling market price (equilibrium price) definition
the price at which
planned demand
equals
planned supply
effective demand definition
the desire for a good or service backed by an
ability
to pay
market demand definition
the
quantity
of a good or service that all the
consumers
in a market are willing and able to buy at
different
market prices
individual demand definition
the
quantity
of a good or service that a particular consumer or individual is willing and able to buy at different
market prices
What are the main determinants of demand?
price of the good
Income
Prices of related goods (
substituted
and
complements
)
Tastes and preferences
Expectations of future prices
Population and demographics
Advertising
how does income affect demand?
normal goods
: demand increases as income increase
inferior goods
: demand decreases and income increases
how do substitute goods affect demand?
if the
price
of a substitute rises, demand for the original good
increases
how do complementary goods affect demand?
if the price of a complementary goods rises, demand for the original good
decreases
how do tastes and preferences affect demand?
if a
product
becomes fashionable or
desirable
, demand increases
how do expectations of future prices affect current demand?
if consumers expect prices to rise in the future, current demand
increases
if they expect prices to fall, current demand
decreases
how does advertising affect demand?
effective
advertising can increase
consumer
awareness and preferences, boosting demand
how does population size affect demand?
as population increases, demand for most
goods and services
tends to rise
mnemonic for factors that shift demand curve
PIRATES
:
population
income
related goods
advertising
tastes and fashions
expectations
seasons
conditions of demand definition
a determinant of demand, other than the
goods
own price
, that fixes the position of the demand curve
substitute goods definition
alternative
goods that could be used for the same purpose
complementary goods defintion
when two goods are
complements
, they experience
joint demand
increase in demand…
rightwards shift
of
the demand curve
decrease in demand…
leftwards shift
of the demand curve
what is the ‘law of demand’?
states that as good‘s
price
falls, more is demanded - inverse relationship between price and
quantity demanded
what is willingness to pay?
desire to pay based on
tastes
and preferences
what is ability to pay?
factors in a person’s
income
, and whether they can afford the good or service or not
normal good defintion
a good for which demand
increases
as income rises and demand
decreases
as income falls
inferior good definition
a good for which demand
decreases
as income rises and demand
increases
and income falls
demand
means
effective
demand, based on willingness and
ability
to pay
what does a market demand curve show?
how much of a good all the
consumers
in the market intend to buy at
different prices
which direction does the demand curve slope?
downwards
what do the conditions of demand do?
fix the position of the demand curve (
shifts
)