Answer:
C. impose barriers to entry with a copyright, which allows only the government to supply a good or service.
Step-by-step explanation:
- The oligopolies is a market or industry where there exist small but large sellers and hence form an market competition and hence lead to higher prices to the consumers. As they have their market structures. Entry barriers include high investment and strong consumer liabilities.'
- Thus governments can set barriers to entry of these firm as to market only those goods and services that the government recommend fit for the sales