【单选题】Which of the following is correct? i. A surplus puts downward pressure on the price of a good. ii. A shortage puts upward pressure on the price of a good. iii. There is no surplus or shortage at equil...
【单选题】Alison is traveling salesperson who drives many miles each day to visit her clients. She gets utility from the purchase of gasoline, but she doesn't care which brand of gasoline she consumes. Suppose ...