Across
- 3. any human-made resource
- 4. adds comfort and pleasure to your everyday life
- 7. the same thing as scarcity
- 8. cost the cost added by producing one extra item of a product
- 9. products
Down
- 1. the study of others decisions
- 2. effort people devote to paid tasks
- 5. all natural resources
- 6. Required in order to live
- 7. not enough of what we want or need