Centre of origin of

Which one of these is an exception to the law of demand?

When AR is constant, MR is

Which one of the following is not the function of a managerial economist?

A movement along a demand curve indicates that a different quantity is being demanded

This movement is due to

If the firms under perfect competition have different costs, abnormal profits can be earned in the long run only by

From the resource allocation point of view, perfect competition is preferable because 

Economics of scale means

In case of Giffens goods, price effect is

A rightward shift in supply curve indicates

Pricing decision includes