Economics puzzle

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Across
  1. 3. the value of an item
  2. 4. father of socialists
  3. 5. to encourage an individual to indulge in an item
  4. 6. the rivalry between two companys
  5. 8. lack of money
  6. 10. the principals of an individual
  7. 13. the basics of economy
  8. 15. the consumers desire for an item
  9. 17. individuals demanding change through scarcity
  10. 18. specialized vocabulary
  11. 19. to argue for a more desirable price
Down
  1. 1. the amount of an item available
  2. 2. an individuals belief
  3. 4. government individuals make economic decisions
  4. 7. the construction of an item in demand
  5. 9. parts of an economy
  6. 11. a total controll over a specific item
  7. 12. the people controlling economics
  8. 14. a low amount of somthing
  9. 16. the individuals status of power