21.
A firm's average fixed cost is Rs.20 at 6 units of output. What will it be at 4 units of output?

22.
If the price of good A increases relative to the price of substitutes B and C, the demand for

23.
If income elasticity for a good is 2, then it is a

24.
Lesser production of ____ would lead to lesser production in future.

25.
In perfect competition, the firm's _____ above AVC has the identical shape of the firm's supply curve

26.
Suppose the total cost of producing commodity X is Rs.125000. Out of this cost, implicit cost is Rs.35000 and normal profit is Rs.25000. What will be the explicit cost of commodity X?

27.
When indifference curve is L shaped, then two goods will be

28.
One characteristic not typical of oligopolistic industry is

29.
In case of inferior goods, the income elasticity is

30.
If all inputs are trebled and the resultant output is doubled, this is a case of