Why did oil prices drop in 2009?

Related questions

1. What makes oil prices fall?
2. Why is the price of crude oil falling?
3. What was the oil price in 2014?
4. What causes oil prices to drop?
5. Which oil exporting country is not a member of OPEC?
6. Why is the price of oil low?
7. How much did oil prices drop in 2014?
8. Why did the oil price drop in 2014?
9. What was the oil price in 2008?
10. Why did oil prices rise in 2008?

Tags

1. #entirely
2. #decline
3. #mainly
4. #while
5. #producers
6. #world
7. #price
8. #consumers
9. #saving
10. #almost
11. #collapse
12. #supply
13. #raises
14. #resources
15. #reason
16. #second
17. #propensity
18. #driven
19. #transferring
20. #normally
21. #spend
22. #higher
23. #demand