Which of the following statements about family caregivers of the frail elderly is true?
a. most caregivers have no prior experience taking care of the frail elderly.
b. daughters-in-law are often grateful that they can reciprocate for the nurturing they once received.
c. public agencies frequently provide services to compensate for needs the caregiver is unable to fulfill.
d. caregiving is universally a depressing and unrewarding task.

Many potential buyers value high-quality used cars at the full-information market price of € p1 and lemons at € p2. a limited number of potential sellers value high-quality cars at € v1 ≤ p1 and lemons at € v2 ≤ p2. everyone is risk neutral. the share of lemons among all the used cars that might be potentially sold is € θ . suppose that the buyers incur a transaction cost of $200 to purchase a car. this transaction cost is the value of their time to find a car. what is the equilibrium? is it possible that no cars are sold