A World Bank study found that charging user fees for medical treatment in developing countries dramatically reduced treatment rates, indicating that these medical treatments have elasticities

A) less than 1.
B) greater than 1.
C) equal to 1.
D) equal to zero.

User Fees

Charges levied for the use of a particular service or facility, often imposed by governments or businesses.

Elasticities

Measures of how much the quantity demanded or supplied of a good responds to changes in price, income, or other factors, indicating the sensitivity of demand or supply to changes.