economics

4. a person who sells something.
5. - comp. imperfect competition
8. substance that is manufactured or refined for sale.
10. he city or town that functions as the seat of government and administrative centre of a country or region
11. a situation in which two suppliers dominate the market for a commodity or service.
14. the state of having paid work.
15. A producer who has enough market power to influence prices
17. ability to avoid wasting materials, energy, efforts, money, and time
19. a current medium of exchange in the form of coins and banknotes; coins and banknotes collectively.
20. a market is shared by a small number of producers or sellers.
21. a person or thing that eats or uses something.
23. a person who makes a purchase.
24. money received
25. a part or portion of a larger amount which is divided among a number of people, or to which a number of people contribute.

1. replacement of a use or product
2. relating to the allocating of resources or funds to a particular area or for a particular purpose.
3. the process of receiving or giving systematic instruction, especially at a school or university.
6. the payment of a specified sum before it can be acquired or done.
7. a country or state
9. an exclusive possession or control of a supply/trade
10. the activity or condition of striving to gain or win something
12. an advantage or profit gained from
13. a for-profit business
16. the state of a country or region in terms of the production and consumption of goods and services and the supply of money
18. merchandise or possessions.
22. a system supplying a public need
23. an organisation or a person's regular occupation, profession, or trade.