Answer:
e.people will not change the quantity of the good when the price of the good is changed.
Explanation:
When the demand curve for a good is vertical, it indicates that the demand for the good is perfectly inelastic ; a change in price has no effect on the quantity demanded.
Goods with perfect inelasticity usually have no or little close subsituites.
I hope my answer helps you
Answer:
The correct answer is binary variables.
Explanation:
A binary variable is one that can only have two possible values. They generally fulfill two essential characteristics:
1. They are made up of two exhausting values, which indicates that there is no other possibility of response. For example, a person is female or male.
2. Both values of the variable are exclusive, that is, it is not possible that both responses can be given, only one. In the same example above, a customer cannot be a woman and a man at the same time.