Give four (4) economic activities that generate both positive and negative externalities?

2. Efficiency in the presence of externalities Vaping imposes many external costs on society secondhand smoke, the adverse health burdens imposed on society, and so on. Therefore, the market equilibrium quiantity of vapes does not equal the socially optimal quantity. The following graph plots the demand for vapes (their private value), the supply of vapes (the private cost of producing them), and the social cost of vapes, including both the private cost and external costs. Use the block point (plus symbol) to indicate the market equilibrium quaneity Next, use the purple point (diamond symbol) to indicate the socially opamal quantity ? PRICE OF VAPES Demand (Private Value) QUANTITY OF VAPES Social Cost Supply (Private Cost) + Market Equilibrium Socially Optimal Level

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Only typed answer  You are an industry analyst that specializes in an industry where the market inverse demand is P = 100 - 3Q. The external marginal cost of producing the product is MCExternal = 6Q, and the internal cost is MCInternal = 14Q.   Instruction: Round your answers to the nearest two decimal places.   a. What is the socially efficient level of output?   units     b. Given these costs and market demand, how much output would a competitive industry produce?   units     c. Given these costs and market demand, how much output would a monopolist produce?   units     d. Which of the following are actions the government could take to induce firms in this industry to produce the socially efficient level of output.   Instructions: You may select more than one answer. Click the box with a check mark for the correct answers and click twice to empty the box for the wrong answers. You must click to select or deselect each option in order to receive full credit. Pollution taxes…