Monopoly firms manage to earn positive profits, even in the long ...

[Hungry!]

Monopoly firms manage to earn positive profits, even in the long run because
 a. they have no close substitutes
 b. there are high barriers of entry to the market
 c. they have a cost advantage difficult to duplicate
  d. all of the above

Question 2

With which choice are you more likely to avoid Bid-rigging cartels?
 a. Holding smaller auctions
  b. Holding larger auctions
 c. Holding frequent auctions
  d. Both B&C

[nmyers]

Answer to Question 1

d

Answer to Question 2

b