Question

what is regulation in an economic system?
regulation is the placing of limits or restrictions on business activity by the government.
regulation is the placing of limits or restrictions on business activity by producers.
regulation is the removal of limits or restrictions on business activity by the government.
regulation is the removal of limits or restrictions on business activity by producers.

Explanation:

In an economic system, regulation typically refers to government - imposed limits or restrictions on business activity to achieve certain economic, social, or environmental goals. Producers do not regulate business activity in the context of economic system regulation, and regulation is about imposing limits rather than removing them.

Answer:

Regulation is the placing of limits or restrictions on business activity by the government.