(A) The market supply curve represents the individual supply curves of all firms which produce the product added together

(B)The market supply curve may shift if there is a change in the behaviour of some firms which produce the product

(C)The market supply curve may shift if there is change in the price of the product

(D)The market supply curve may shift if there is a change in the number of firms which supply the product

(A) Monoploy

(B)Perfect Competition

(C)Oligopoly

(D)Duopoly

(A) They include monopolistic competitors and monopolists

(B)They can always raise their prices and still retain some customers

(C)They may set different prices in the short run and in the long run

(D)We do not analyse them using diagrams with supply and demand curve

(A) Very short Period

(B)Short Period

(C)Long Period

(D)Very long Period

(A) Competition

(B)Time Period

(C)Legality

(D)Area

(A) Price leadership is a form of tacit collusion

(B)With dominant price leadership the leader in an industry is the biggest firm

(C)With barometric price leadership the leader may change even if the relative size of each firm stays the same

(D)Price leadership breaks down if input prices or demand conditions change

(A) There might be inefficiency in production

(B)There might be inefficiency in consumption

(C)It might be possible to make one person better off without making another person worse off

(D)There might be considerable inequality of income among the country's citizens

(A) If the industry has constant costs

(B)If the industry has decreasing costs

(C)If the industry has increasing costs

(D)Never

(A) Perfect Competition

(B)Monopoly

(C)Duopoly

(D)Oligopoly

(A)

Perfect Competition

(B)

Pure Competition

(C)

Imperfect Competition

(D)

Monopoly