5.4 Monopoly and monopoly power Flashcards
what is the definition of a monopoly?
one firm only in a market (extreme)
what are the characteristics of a monopoly
differentiated products
price maker
high barriers to entry/exit (supernormal profits persist over time)
imperfect information
firm is a profit maximiser (Mr=mc)
what is monopoly power
firm has power/potential to act as a monopoly, when one firm has more than 25% control
draw monopoly diagram
is monopoly allocatively efficient
no as allocative efficiency occurs where price is equal to marginal cost, monopoly chargers price greater than this as p is higher than mc in doing so they exploit consumers (low consumer surplus) and restrict output in the market as quantity should be higher to match demand
is monopoly productively efficient
is not productively efficient by not producing at minimum point of average cost curve so forgoing economies of scale
is monopoly x efficient
assume waste as they aren’t producing at lowest cost possible, this is because they have become complacent and have no competition to challenge them + difficult to reduce waste and costs so if don’t need to wont
is monopoly dynamically efficient?
yes as long run super normal profit is able to be made in the long run (due to high barriers to entry and imperfect information) monopolist can reinvest into new capital, technology, research and development etc.
is monopolist statically efficient
no