1) Suppose there are 1000 identical wheat farmers. For each, TC = 10 + q. Derive the market supply curve.

2) The above figure shows the demand and supply curves in the market for milk. Currently the market is in equilibrium. If the government imposes a $2 per gallon tax to be collected from sellers, estimate the change in p, Q and social welfare.

3) The above figure shows the demand and supply curves in the market for milk. Currently, the market is in equilibrium. If the government imposes a $2 per gallon tax to be collected from sellers, calculate the dead weight loss associated with the tax, and explain why the dead weight loss occurs.

4) The domestic demand curve, domestic supply curve, and world supply curves for a good are given in the above figure. All the curves are linear. Initially, the country allows imports. Then imports are banned. Calculate how consumer and producer surplus change because of the ban. Is the country better off with the ban on imports? Why?

5) Suppose a monopolist has TC = 100 + 10Q + 2Q², and the demand curve it faces is p = 90 - 2Q. What will be the price, quantity, and profit for this firm?

6) Suppose that market demand for a good is Q = 480 - 2p. The marginal cost is MC = 2Q. Calculate the deadweight loss resulting from a monopoly in this market.

7) The above figure shows the market for a given product. Defining welfare as consumer surplus plus producer surplus, calculate the social welfare associated with perfect competition, single-price monopoly, and a perfect-price-discriminating monopoly. Which market structure(s) maximize social welfare?