Economics, option 5

1.Dayte detailed response to the questions:
Expand the contents of price discrimination. Why perfect price discrimination leads to a complete withdrawal of the monopolist consumer surplus? Illustrate response graphical models.

№ 1. Solve the problem analytically and graphically (quantity - thousand. Units a week, the price - in rubles.)
Demand and supply functions are defined as follows:
Qd = 150 - WP Qs = -10 + 2P
Define:
1. The parameters of the equilibrium of the market.
2. The coefficients of direct elasticity of supply and demand at the point of balance and range in price from 30 to 35 rubles.
3. Consumer Surplus and seller net social gain.
4. The Government has introduced a fixed price for the commodity at 30 rubles. Describe qualitatively and quantitatively the situation on the market after the intervention of the state.
5. Calculate the change in consumer and producer surplus. What will be equal to the net loss of the company from imposing a fixed price.
6. Is the balance in the market stable? Justify your answer.

№2. It is known that the gasoline market in the country is in conditions of perfect competition. Demand for gasoline is described by the equation QD = 200 - 20P, where the number of Qi-buy gasoline, tys.gallonov, P - the price of 1 gallon, Tug. The average cost of a typical gas station is given by: AC = 5 + (qt - 5). How many gas stations operating in the sector in the long term?
References