Marco is at the blood bank and wants to donate blood.  Below is his blood type results.  What is Marco’s blood type? What agglutenogens are present on his erythrocyte?

When the government prevents prices from adjusting naturally to supply and demand, it

Which of the following is an example of a normative, as opposed to a positive, statement?

Nevaeh decides to spend four hours watching movies rather than attending her classes. Her opportunity cost of watching movies is

Figure 4-8 Refer to Figure 4-8. All else equal, an increase in the income of buyers who consider turkey to be an inferior good would cause a move from

Sometimes economists disagree because their scientific judgments differ. Which of the following instances best reflects this source of disagreement?

Figure 4-4 Refer to Figure 4-4. The movement from point A to point B on the graph is called

A worker in Puerto Rico can earn $11 per day making cotton cloth on a hand loom. A worker in the United States can earn $81 per day making cotton cloth with a mechanical loom. What is the likely explanation for the difference in wages?

Consider Joseph’s decision to go to college. If he goes to college, he will spend $24,000 on tuition, $12,000 on room and board, and $1,200 on books. If he does not go to college, he will earn $14,000 working in a store and spend $7,000 on room and board. Joseph’s cost of going to college is

Which of the following statements does not apply to a market economy?