The proportion of the total population aged 0–15 and over 65, is known as the

Which of the following must occur as a result of ceilings on apartment rents that are set below market clearing rental rates?

A) Property owners respond to the ceilings by increasing maintenance and repairs. B) Property owners respond to the ceilings by constructing new apartment buildings. C) There is a decrease in the quantity of apartments that prospective tenants wish to rent. D) There is a decrease in the quantity of apartments that property owners offer for rent.

Supplier power tends to be low when

a. The supplier provides non-critical inputs b. The supplier provides homogenous inputs c. Both A&B d. None of the above