51.
A profit maximising monopolist in two separate markets will

52.
Consider the following statements.
1. Monopolistic competition is characterised by full control over price.
2. In monopoly, the product may or may not be homogeneous.
3. Perfect mobility of the factors is the characteristic of oligoploy.
Which of the statement(s) given above is/are correct?

53.
Under perfect competition (when input prices are fixed and there are no external economies or diseconomies), the industry supply curve is derived by

56.
Consumer is said to be in equilibrium, maximising his total utility, when

57.
If demand increases in a market, this will usually lead to