EC120 Chapter Notes - Chapter 7: Economic Surplus, Demand Curve, Economic Equilibrium

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2 Mar 2016
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EC120 Full Course Notes
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Consumer surplus equals buyers" willingness to pay for a god minus the amount they actually pay for it, and it measures the benefit that buyers receive from participating in a market. Consumer surplus can be computed by finding the area below the demand curve and above the price. Producer surplus equals the amount that sellers receive for their goods minus their costs of production and it measures the benefit that sellers receive from participating in a market. Producer surplus can be computed by finding the area below the price and above the supply curve. An allocation of resources that maximizes the sum of consumer and producer surplus is said to be efficient. Policymakers are often concerned with the efficiency as well as the equity of economic outcomes. The equilibrium of supply and demand maximizes the sum of consumer and producer surplus. That is the invisible hand of the marketplace leads buyers and sellers to allocate resources efficiently.

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