Why do markets tend towards an equilibrium?

Related questions

1. How is the equilibrium price determined?
2. What increases equilibrium price?
3. What is an equilibrium system?
4. Why does supply increase when price increases?
5. When a price floor is above the equilibrium price?
6. When quantity supplied and quantity demanded are not the same in a market?
7. How would an increase in demand affect the equilibrium price in a market?
8. Does lowering prices increase sales?
9. What is equilibrium process?
10. What happens to equilibrium price and quantity when price increases?

Tags

1. #toward
2. #around
3. #surplus
4. #supply
5. #pressure
6. #eventually
7. #price
8. #downward
9. #demand
10. #similar
11. #settle
12. #equilibrium
13. #change
14. #causes
15. #forces
16. #market
17. #prices
18. #which