Answer:
Correct Answer:
a) Deregulation had very little impact on entries and exits in the industry market.
Explanation:
In the 1970's, it became clear to policymakers of all political leanings that the existing price regulation on goods and services in United States of America was not working well. And to solve this problem, The United States carried out a great policy experiment—the deregulation, which is the removal of government controls over prices and quantities produced in airlines, railroads, trucking, intercity bus travel, natural gas, and bank interest rates. One of the effect was its great impact on the entry and exits in industry markets.