191) One of the essential conditions of perfect competition is -

Product differentiation

Multiplicity of prices for identical products at any one time

Many sellers and a few buyers

Only one price for identical goods at any one time

Answer is:

Multiplicity of prices for identical products at any one time

the absence of the black-market

the presence of black-market

increase in prices

fall in production

Answer is:

the taxes earned by the state

the sum of all factor incomes

personal incomes of all the citizens

surplus of exports over imports

Answer is:

Adam Smith

J.M. Keynes

Alfred Marshall

David Ricardo

Answer is:

B. S. Minhas

P.K.Bardhan

V. M. Dandekar and N. Rath

Raj Krishna

Answer is: