Markets Flashcards
(38 cards)
Demand
Amount of a good or service that consumers are both willing & able to buy at each possible price in a given period of time, ceteris paribus
Law of demand
In a given time period, the quantity demanded of a product is inversely related to its price, ceteris paribus
LDMU
Beyond a certain point of consumption, as more & more units of a good or service are consumed, the additional utility derived from each additional unit consumed will fall
Individual demand
Demand of one consumer
Non-price determinants of demand
Expectations of prices & income, ease of borrowing, government policies, income (inferior & normal goods YED), price of related goods (substitutes & complimentary goods XED, & derived demand, population size/composition, taste & preferences, seasonal factors (weather & festivals)
Supply
Amount of a good or service that producers are both willing & able to sell at each possible price in a given period of time, ceteris paribus
Law of supply
In a given time period, the quantity supplied of a product is directly related to its price, ceteris paribus
Non-price determinants of supply
Weather or seasonal factors, expectations of producers, state of technology, price of related goods (joint or competitive supply), price & availability of factor inputs/fop, government policies (subsidies, taxes)
Consumer surplus
Difference between the maximum amount consumers are willing & able to pay for a good or service & the amount actually paid for it
Producer surplus
Difference between the amount producers actually receive for a good or service & the minimum amount they are willing & able to accept for it
P
PED
measures the degree of responsiveness of quantity demanded of a good to a change in its price, ceteris paribus
|ped| = 0
Perfectly price inelastic
|ped| < 0
Price inelastic
|ped| > 1
Price elastic
|ped| = 1
Unitary price elastic (curve)
|ped| = infinity
Infinitely or perfectly price elastic, straight horizontal
Determinants of PED
Time period, proportion of income spent, degree of necessity (habits), degree & availability of substitutes
Total revenue
Total receipts or total earning received by producers from the sale of goods & services
YED
Measures the degree of responsiveness of a demand for a good to a change in consumers’ income, ceteris paribus
yed > 0
Normal goods, necessities & luxuries
0<yed<1
Necessities
XED > 0
Substitutes
XED < 0
Complements