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6. Cross elasticity is:

a)% change in Q is greater than the% change in P

b)% change in Revenue affects the change in quantities purchased

c) changes in the prices of one product affect the quantity of another product

d) changes in prices and quantity are inelastic

7. Price elasticity is inelastic when in the formula:

a)% change in Q is greater than the% change in P

b)% change in Q is less than the change in% P

c)% change in Q % change in P, is equal to zero

d)% change in P % change in Q, they are not equal

8. The cross elasticity of demand for complementary products

a) When its value is negative

b) When its value is zero

c) When its value is positive

d) When its value is greater than zero

9. The income elasticity of demand for inferior product

a) When its value is greater than one

b) When its value is greater than zero, but less than 1

c) When its value is less than zero

d) When its value is greater than zero, but greater than 1