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Ch 18 civic
| Question | Answer |
|---|---|
| need | requirement for survival,such as food,clothing,and shelter. |
| want | a thing we would like to have,such as entertainment,vacation,or an item that make life comfortable and enjoyable. |
| economics | the study of how individual and nations makes choices about ways to use scare resource to fulfill their needs and wants. |
| microeconomics | economic behavior and decision making by government or whole industries or societies. |
| economic model | simplified representation of the real world that economists develop to describe how the economy behaves and is expected to perform in the future. |
| economic system | nation way of producing thing its people want and need. |
| resource | wealth |
| scarcity | not having enough resources to produce all of the thing we would like to have. |
| trade off | the alternative you face if you decide to do on thing rather than another. |
| opportunity cost | the cost of the next best alternatives use of time and money when choosing to do one thing rather than another. |
| marginal cost | the additional or extra opportunity cost associated with an action. |
| marginal benefit | the additional or extra benefit associated with an action |
| cost benefit analysis | economic model that compare the marginal benefit of a decision. |