83.
Billoo currently spends Rs. 200 per month on long-distance telephone calls. If the telephone company decides to reduce the rate from Rs. 10 a minute to Rs. 5 a minute, then

86.
The behaviour of Average total cost curve is jointly determined by:

87.
Match the following.
List-I List-II
a. Utilitarian approach 1. Marginal rate of substitution
b. Ordinal approach 2. Budget line and indifference curve
c. Price consumption curve 3. U = f(x, y)
d. Consumer equilibrium 4. MRSxy = MRsyx

88.
In economics, distribution means

90.
Match the following.
List-I List-II
a. Decrease in own price 1. Contraction in demand
b. Unfavourable change in taste 2. Extension in demand
c. Increase in own price 3. Decrease in demand