What are the arguments for deregulation of the economy ?

Deregulation has many advantages, which vary by industry. Some of the main advantages are: It generally lowers barriers to entry into industries, which assists with improving innovation, entrepreneurship, competition, and efficiency; this leads to lower prices for customers and improved quality.

Explanation:

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.