As you move along an indifference curve, your total utility increases or decreases depending on whether it's an upward or downward movement

Which of the following will cause the date that the Social Security trust fund runs out of money to be pushed further into the future?

A) a decrease in the rate of real GDP growth B) an increase in the population growth rate C) a decrease in the growth of the real wage D) all of the above

Suppose the shopkeeper is known to usher low bidders out of the store even if it means giving up the sale. If the customer moves first, he would

a. Offer the high price b. Offer the low price c. Get ushered out of the store d. All of the above