Use the following diagrams for the U.S. economy to answer the next question.Which of the diagrams best portrays the effects of an increase in resource productivity?

Employing the TIT for TAT strategy in a repeated prisoners' dilemma game means _____

a. that you will lose b. defecting when the other person cooperates c. attacking when the other person defects d. cooperating as long as the other person cooperates

Which of the following best explains the source of consumer surplus for a particular product?

a. Many consumers pay prices that are greater than the equilibrium price of the product. b. Many consumers would be willing to pay more than the market price for the product. c. Many consumers think the market price of the product is greater than its cost. d. Many consumers think the demand for the product is elastic.