Week 3 Flashcards
Perfectly competitive market if…
- Many buyers and sellers
- items are identical
- buyers and sellers can freely enter/exit
- buyers and sellers have full symmetric info
Shift of the entire curve is called
Inc/dec in demand/supply
Shift along the curve is called
change in quantity demanded/supplied, caused by change in price
Ceteris paribus variables (demand)
Price of substitutes, Price of complements, Income, taste and preferences, population in market or market size
Ceteris paribus variables (supply)
Price of factors of production, opportunity costs, science and technology, number of firms in the market
Market equilibrium
where quantity demanded = quantity supplied
above market equilibrium is
surplus
below market equilibrium is
shortage
price floor
minimum selling price, above equilibrium, ends up with surplus
price ceiling
max price, below equilibrium, ends up with shortages
quantity quotas
max amount of units must be sold bc too many are being traded
commodity taxes**
- steeper slope bears more tax. when supply shifts, 3 important points are new equilibrium, old equilibrium, new quantity on old supply curve