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Sources of monopoly power


A monopolist, unlike a competitive firm, has some market power. It can raise its price, within limits, without the quantity demanded falling to zero. The main way it retains its market power is through barriers to entry�that is, other companies cannot enter the market to create competition in that particular industry.


Complete the following table by indicating which barrier to entry appropriately explains why a monopoly exists in each scenario.

Verified Answer :

Ban-lore In Entry Exclusive Dwnershlp Government- ol' a Key mated Economies Scenarlo Raoul-an Honopollel of Scale In order to own and opelate a taxi, drivers are required to obtain a taxi medallion. ’7 ’3‘ ’7‘ The Aluminum Company of America (Alcoa) formerly controlled all U.S. sources of bauxite, a key component In the production of aluminum. Given that Alcoa did not sell bauxite to any other h h n companlu, Alcoa was a monopolist in the U.5. aluminum industry from the Iatchnineteenth ' century until the 19405. In the natural gas industry, low average total oosls are obtained only through large-scale production. In other words, the initial oost of setting up all the necessary pipes and hoses makes F‘- r‘ ”i“- it risky and, most likely, unprofitable for competitors to enter me market.

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Answer:

In the public water industry - ECONOMIES OF SCALE. It is very expensive to set up a water distribution system, and after it starts to work the costs of keeping it working are very small. So even if a new competitor tries to enter the market, the water company can just lower its prices to make the business unfeasible for the competition.

ALCOA - ACCESS TO SUPPLIERS. Since ALCOA controlled all the supply of bauxite, no company could produce aluminum unless they imported bauxite which would increase their production costs.

Taxis - GOVERNMENT REGULATION. Since taxi licenses (or medallions) are handed out by local governments, it's them that determine how many taxis will offer their services in the city.