In order to prove that Coca Cola and 7-Up are substitutes, one ...

[cartlidgeashley]

In order to prove that Coca Cola and 7-Up are substitutes, one should test the __________ and get a __________.
 a. price elasticity of demand; number less than negative 1
  b. income elasticity; positive number
  c. cross-price elasticity; negative number
  d. price elasticity of demand; number greater than negative 1
  e. cross-price elasticity; positive number

Question 2

Computers and software programs are
 a. inferior goods
  b. complementary goods
  c. goods with a cross-price elasticity of demand of 0
  d. substitute goods
  e. perfectly elastic goods

[succesfull]

Answer to Question 1

E

Answer to Question 2

B