1. Market demand for wheat is described by function Qd = 500-20P, and market supply - Qs = 30P-150, where P - the level of the market price of millet, rubles / kg; Qd, Qs - volume of demand and supply, mln. Tons per year. If the state will subsidize wheat producers in the amount of 5 rubles per kilogram purchased, how to change the parameters of market equilibrium? Determine the excess of consumers and producers before and after the payment of subsidies and government spending.

If, instead of subsidizing set a fixed price for wheat in the amount of 10 rubles. / Kg as change consumer and producer surplus? What are the expenses of the state for the purchase of surplus wheat on the market? Which methods of market regulation would require the state less expensive?


2. The consumer utility function U (X, Y) = X1 / 2Y1 / 2 earns 240 thousand. Rub. The price of goods X is 6 rubles., Commodity price have is 8 rubles. Determine the size of the income effect and the substitution effect in reducing the price of goods to 4 rubles.


3. The utility function of the household is described by U (C1; C2) = S1S2 where C1 - consumption in the current year; C2 - consumption next year.

This year, the household income is 150 rubles, and in the future - 200 rubles. The interest rate of 10%. What makes the household: store, or take the credit?


4. The function of the overall costs of the company-monopolist: TC = Q2 + 2Q. The function of the demand for goods monopolist: P = 20-Q. The government introduced a per unit taxes in the amount of 2 monetary units per unit of goods. What is the value assigned to the monopoly, the volume of output, income and tax revenues of the state.

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