3. Give an example of something that is a good for one person and a bad for another person. 4. What is the difference between the resource labor and the resource entrepreneurship? 5. Explain the link between scarcity and each of the following: (a) choice, (b) opportunity cost, (c) the need for a rationing device, (d) competition 6. Explain the relationship between changes in opportunity costs and changes in behavior. 7. Discuss the opportunity costs of attending college for four years. Is college more or less costly than you thought it was? 8. Smith says that we should eliminate all pollution in the world. Jones disagrees. Who is more likely to be an economist. Smith or Jones? Explain your answer. Q. Afriend pays for your lunch. Is this an example of a "free lunch\"? Why or why not. 10. Economists say that individuals make decisions at the margin. What does this mean