In a free enterprise system, the consumers decide over everything connected to buying the products, such as 1) which goods or services to buy at all 2) where and from whom to get those goods and services 3) how much to buy and 4) what is an acceptable prize for them.
Answer: A referendum
Explanation:
A referendum is one of the process in which the voters are given a chance to give accept or reject the specific proposal by the legislative and it is also known as the universal type of vote.
The main purpose of a referendum is that it basically allow the citizens of the country to either approve or disapprove the given legislative law or various type of new policies which is typically proposed by the constitution.
According to the given question, the given example is best illustrating the concept of a referendum as it helps in determine the main effect of the law that the residents are not allow to parking their cars during the time of night hours on the streets.
Therefore, Referendum is the correct answer.
It is complex language and homo sapiens.