Economics

6. An extra benefit supplementing an employee's salary
7. A sum of money paid to a patentee for the use of a patent
12. the situation prevailing in a market in which buyers and sellers are so numerous and well informed that all elements of monopoly are absent
13. A state of limited competition, in which a market is shared by a small number of producers or sellers.
14. The maintaining of prices at a certain level by agreement between competing sellers.
15. A sum of money paid regularly by a company to its shareholders out of its profits
18. Limit commercial use of land in order to prevent oil
20. An authorization granted by a government or company to an individual or group enabling them to carry out specified commercial activities

1. An organization whose purpose is something other than making a profit.
2. A type of monopoly that exists as a result of the high fixed costs or startup costs of operating a business
3. A government authority or license conferring a right or title for a set period
4. Something you own
5. The action or process of differentiating.
8. The state of being responsible for something, especially by law.
9. A raw material or primary agricultural product that can be bought and sold, such as copper or coffee.
10. The goods or merchandise kept on the premises of a business or warehouse and available for sale or distribution.
11. An agreement with legal force, in particular.
16. Secret or illegal cooperation or conspiracy, especially in order to cheat or deceive others.
17. The exclusive possession or control of the supply or trade in a commodity or service.
19. An association of manufacturers or suppliers with the purpose of maintaining prices at a high level