Law of Demand
-When the price of the good falls, quantity demanded rises
-When the price of a good rises, quantity demanded falls
Law of Supply
-As price goes down, the quantity supplied also goes down
Name the four types of elasticity
PED, PES, YED, XED
When the market price is such that quantity supplied equals quantity demanded
Equilibrium
Name 3 out of the 7 non-price determinants of demand
income in the case of normal goods, income in the case of inferior goods, preferences and taste, price of substitute goods, price of complementary goods, number of consumers, consumer expectations
Name 4 out of the 9 non-price determinants of supply
number and closeness of substitutes, necessity vs. luxury, narrow/broad market, proportion of income spent, length of time consumers have to respond
When the price is higher than the equilibrium price (there is excess supply)
Surplus
A group of buyers and sellers of a particular good
Market
All other things (apart from price) that can affect demand are assumed to be constant and unchanging
Ceteris paribus
Name 3 determinants of PES
time horizon, spare capacity, stock/inventory, mobility of factor of production, rate at which costs increase
Describes and explains what is true/justified
Positive economics
Satisfaction a consumer gains by consuming something
Utility
Name the parts of the Engel Curve
luxury, necessity, inferior goods