What is the relation between Average Variable Cost and Average Total Cost, if Total Fixed Cost is zero?

A firm is able to sell any quantity of a good at a given price. The firm's marginal revenue will be:
(Choose the correct alternative):
(a) Greater than Average Revenue
(b) Less than Average Revenue
(c) Equal to Average Revenue
(d) Zero

When does 'change in demand' take place?

4.

Differentiated products is a characteristic of: (Choose the correct alternative):
(a) Monopolistic competition only
(b) Oligopoly only
(c) Both monopolistic competition and oligopoly
(d) Monopoly

Demand curve of a firm is perfectly elastic under:(Choose the correct alternative)
(a) Perfect competition
(b) Monopoly
(c) Monopolistic competition
(d) Oligopoly

A consumer consumes only two goods X and Y. Marginal utilities of X and Y is 3 and 4 respectively. Prices of X and Y are Rs 4 per unit each. Is consumer in equilibrium? What will be further reaction of the consumer? Give reasons.

What will be the effect of 10 percent rise in price of a good on its demand if price elasticity of demand is (a) Zero, (b)-1, (c)-2.

What is minimum price ceiling? Explain its implications.

If the prevailing market price is above the equilibrium price, explain its chain of effects.

Define demand. Name the factors affecting market demand.