What effect would they have on market equilibrium price and quantity?

Please help answering this question: Consider the following supply and demand schedule for steel: Show more Please help answering this question: Consider the following supply and demand schedule for steel: price per ton ($) 20 40 60 80 100 120 140 160 180 Qd (million tons) 200 180 160 140 120 100 80 60 40 Qs (million tons) 20 60 100 140 180 220 260 300 340 Pollution from steel production is estimated to create an external cost of sixty dollars per ton. Show the external cost market equilibrium and social optimum on a graph. What kinds of policies might help to achieve the social optimum? What effects would these policies have on the behavior of consumers and producers? What effect would they have on market equilibrium price and quantity? Please explain how did you do it Thanks Show less

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