economics enrichment

123456789
Across
  1. 1. Natural resource
  2. 5. Statement that cannot be proved
  3. 6. The next best aternative
  4. 7. Household and firms interact as buyers and sellers.
  5. 9. All other things being equal
Down
  1. 1. Both labour and capital are variable
  2. 2. anything that made by humans to aid production.
  3. 3. resources limited, wants unlimited
  4. 4. Individual markets
  5. 8. The Fourth factor of production