economic

6. the extra benefit of adding one unit
8. the principle that limited amounts of goods and services are available to meet unlimited wants.
9. the actions or activities that one person performs for another
13. has fewer resources to produce consumer goods
14. an expert in economics
15. a phrase expressing the idea that a country that decides to produce more military goods
17. a situation in which consumers want more of a good or service than producers are willing to make available at a particular price
18. the physical objects that someone produces

1. the study of how people seek to satisfy their needs and wants by making choices
2. any human made resource that is used to produce other goods and services
3. something essential for survival, such as food or medical care
4. something that people desire but that is not necessary for survival
5. the extra cost of adding one unit
7. the act of giving up one benefit in order to gain another, greater benefit
10. a person who decides how to combine resources to create goods and services
11. the most desirable alternative given up as the result of a decision
12. all natural resources used to produce goods and services
16. the effort people devote to tasks for which they are paid