Apositive externality results when: a)someone pays for a good or service even though she is not directly affected by the production or consumption of it. b)people who are not directly involved in producing or paying for a good or service benefit from it. c)people who live in one country benefit from the production of a good or service that occurs in another country. d)economists are sure that a good or service provides benefits to consumers.

Hi inr 2002 class! i just uploaded a detailed study guide for this class. you can check-out a free preview by following the link below feel free to reach-out to me if you need a study buddy or have any questions. goodluck!

6carla would like to buy a dress, a dresser for her bedroom, and a home theater system. she has one month's worth of living expenses in her emergency fund. carla decides to save for the home theater system. did carla make the right decision? why or why not? a. yes; her emergency fund is full and the other items will probably be less expensive. b. yes; she could save more for her emergency fund, but the home theater will be harder to save for. c. no; she should save more for her emergency fund because she has saved less than the recommended amount. d. no; she should have bought the dress and dresser first because she could afford them right away. reset next

Why is efficiency an important economic goal?