11.
Good 'Y' is the substitute for good 'X' if
1. A fall in the price of good X leads to the fall in the marginal utility of good Y.
2. A fall in the price of good X leads to the fall in the quantity purchased of good Y. Select the correct answer

12.
Match the following.
List-I List-II
a. Law of equi-marginal utility 1. Gossen
b. Ordinal utility 2. Hicks
c. Monopolistic competition 3. Mrs. Robinson
d. Marginal productivity theory of distribution 4. Clark

13.
Match the following.
List-I List-II
a. Trade channel discount 1. Oligopoly pricing
b. Loss leadership 2. Locational price differentials
c. Pricing being non-responsive to changes in the demand and the cost 3. Differential pricing
d. Basing point pricing 4. Product line pricing

18.
Assume that the demand curve for a certain commodity is a downward-sloping straight line. In such case price elasticity of demand

20.
Which one of the following is not correct about the price discrimination by a monopolist, who intends to