1.Why is the demand curve downward sloping?

2.When will there be a movement along the demand curve for oranges?

3.What is the relationship between quantity supplied and price?

4.What causes market demand to shift?

5.What factors can cause the supply curve to shift?

1.What will be the impact on the market price and quantity of wheat if:

i.Wheat production has increased by 50 percent.

ii.The price of barley (a substitute for wheat) decreases.

iii.Both (a) and (b) occurs at the same time.