71.
In the perfect competition, the downward sloping part of the marginal value productivity curve of a factor shows

74.
The area of consumers savings in the graph is

76.
Which of the following statement is not correct?

77.
A rectangular hyperbola-shaped demand curve on all its point has

78.
Match the following.
List-I List-II
a. Contraction of demand 1. Non-price change effect
b. Decrease in demand 2. Demand curve remains the same
c. Increase in demand 3. Price change effect
d. Expansion of demand 4. Shifts the demand curve