51.
Economies of scale are of two kinds

53.
Identify the economist who had little formal education and started working in the money market at an early age of fourteen.

54.
In which form, the largest percentage of national income is earned?

55.
Law of return applies to firms working in

56.
Which is NOT a cause of shift in cost curves of a firm?

57.
Who first raised the fear of a world food shortage?

58.
The minimum wage is an example of

59.
During short period, diminishing returns may follow because

60.
MC is given by