question
Monopolistic Competition
answer
where a large number of firms compete and are free to enter or exit
question
Product Differentiation
answer
making a product that is slightly different from the products of competing firms
question
Monopolistic Competition... barriers to entry?
answer
There are NONE...so no long term economic profit
question
Four-firm Concentration Ratio
answer
is the percentage of the value of sales accounted for by the four largest firms in the industry.
question
HHI
answer
is the square of the percentage market share of each firm summed over the largest 50 firms in a market.
(<1000 is competitive and 1000 to 1800 is moderately competitive)
(<1000 is competitive and 1000 to 1800 is moderately competitive)
question
With MonoCo, entry
answer
reduces demand
question
With MonoCo, D and ATC intersection
answer
is profit-maximizing point
question
Differences that monoco possesses
answer
Excess capacity & A markup of price over marginal cost
question
Excess Quantity
answer
if the quantity it produces is less that the quantity at which average total cost is a minimum.
question
Efficient Scale
answer
the quantity of production at which average total cost is a minimum.
question
Markup
answer
the amount by which price exceeds marginal cost.
question
Because price exceeds marginal cost
answer
monopolistic competition creates deadweight loss—an indicator of inefficiency.
question
Advertising done by ALL firms
answer
might decrease the demand for any one firm's product and might make demand more elastic.
question
With advertising,
answer
average total cost increases.
question
When do firms produce variety?
answer
when the marginal cost of doing so is less than the marginal benefit.