Who amongst the following economists gave the concept of 'economics of scale' which says, 'many goods and services can be produced more cheaply in long series'? (a) Edward C. Prescott (b) Amartya Sen (c) Gary S. Bekher (d) Paul Krugman

Options

A. (a) Edward C. Prescott
B. (b) Amartya Sen
C. (c) Gary S. Bekher
D. (d) Paul Krugman