51.
A firm under monopolistic competition advertises

53.
When a consumer increased units of X commodity by giving up some units of Y commodity and even to attain the same level of satisfaction, the marginal rate of substitution will be calculated by

54.
Price determination of ten favours public interest because it

56.
Match the following.
List-I List-II
a. Problem of resource allocation 1. How to produce
b. Problem of choice of techniques 2. For whom to produce
c. Problem of distribution of income 3. Scarcity
d. Problem of choice 4. What to produce

57.
A point where the budget line is just touching an indifference curve at one point is