Money is any good that is widely accepted in exchange of goods and services, as well as payment of debts. most people will confuse the definition of money with other things, like income, wealth, and credit. what are the uses of money? describe how rapid inflation can undermine money's ability to perform its three basic functions?

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