demand/supply Flashcards
demand definition
desire to own something and the ability to pay for it
law of demand
as price of goods or services fall, more will be purchases and vice versa
law of demand relationship
inverse
income effect definition and relationship
as the income changes, the demand also changes, direct
as income increases, what happens to the demand of the goods/services
demand increases
substitution effect
as price rises or incomes decrease, consumers will replace more expensive goods with less costly alternatives
demand schedule
table that lists the quantities of a good a person will buy at each price
demand curve and slope of it
graphic representation of a demand schedule- slopes down and to the right
ceteris paribus
the effect of one economic variable on another, while holding all other things constant
normal good and example
experiences an increase in demand when income of buyer increases (car)
inferior good and example
experiences a decrease in demand when the income of the buyer increases
complement
good or service used/bought with another service… usually little value until put with other good/service
substitute
another purchase option instead of the desired product
elasticity of demand
change in quantity demanded directed by the percentage change
elasticity of demand formula
E= (Q1-Q2)/Q1 divided by (P1-P2)/P1
inelastic
unaffected by price change E
elastic
affected by price change E > 1
unitary elastic
E = 1
total revenue and formula
total amount of money brought in from selling a good or service (price x quantity)
supply
willingness and ability of producers to provide goods and services at different prices in a market place
law of supply and relationship
higher prices= larger quantity available
lower prices= smaller quantity available
direct relationship
quantity of supply
quantity of a good/service that a producer is willing to sell at a specific price
supply schedule
method used to show the different amounts of a certain product that a company would need to supply based on difference price points
supply curve
graphic representation between product price and quantity of product that a seller is willing and able to sell