econ final elzenga sectuon 10 Flashcards
Perfect competition characteristics
Each firm has very elastic demand, Firms are price takers, No entry or exit barriers, Buyers and sellers are fully informed, Product homogeneity
Profit Maximizing Rule
MR=MC
Inequality aversion
Would rather give up a small amount than allow someone to have a lot more than you
Find profit/loss in PC
vertically up/down from demand to AC
Long run profits in PC
no possible
Shutdown point
AVC
Theory of monopoly
Imperfect competition, must look at market to make sure it’s a monopoly
Monopolists are…
price makers
Characteristics of monopoly
no close substitutes, no new entries
Monopolists MR curve is…
halfway between demand and Y axis
Cartel
many firms acting as a monopoly
Cartel theory
incentive to join and leave
Free-rider firm
produces more than the set output at the cartel price
Keep competition at bay
Cartels or mergers, Patents and tariffs, Superior entrepreneurial ability, Control over input, Economies of scale, Network effects, TV ads
Commitment devices
force yourself to keep goal