Which of the following represents an agricultural factor greatly decreasing the availability of crops? 1. Growing tobacco has overtaken vegetable production.
2. The World Health Organization often declares 50 percent of food spoiled.
3.Cultural factors mean that developing nations refuse to grow as many crops as they could.
4. After-harvest crop loss can destroy as much as 50 percent of crops in developing countries.

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