2. A market has the inverse demand curve P ^ D * (q) = 300 - 1/2 * q and an inverse supply curve of P ^ D * (q) = 5/2 * q but a total negative externality of E(q) = - 60q (a) Find the competitive equilibrium in this market. (b) Find the marginal social value curve (the sum of the marginal externalities and inverse demand). (c) Find the surplus-maximizing quantity.

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2. A market has the inverse demand curve P ^ D * (q) = 300 - 1/2 * q and an inverse supply curve of P ^ D * (q) = 5/2 * q but a total negative externality of E(q) = - 60q (a) Find the competitive equilibrium in this market. (b) Find the marginal social value curve (the sum of the marginal externalities and inverse demand). (c) Find the surplus-maximizing quantity. (d) Calculate the deadweight loss of the competitive equilibrium. (e) Find the optimal per-unit tax for this market. 3. Repeat parts (c) through (f) assuming there is actually a positive externality E(q) = 60q
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