뒤로Economic Surplus and Efficiency definitions
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1/15뒤로Skip to main content뒤로Economic Surplus
Sum of benefits gained by buyers and sellers, representing total gains from trade at equilibrium. Consumer Surplus
Difference between what buyers are willing to pay and what they actually pay, shown below demand curve and above price. Producer Surplus
Difference between actual price received by sellers and their minimum acceptable price, shown above supply curve and below price. Market Equilibrium
Point where supply and demand intersect, maximizing total gains from trade and ensuring efficient allocation. Deadweight Loss
Lost gains from trade due to market inefficiency, represented by areas where beneficial exchanges do not occur. Shortage
Situation where quantity demanded exceeds quantity supplied, often caused by prices set below equilibrium. Surplus
Situation where quantity supplied exceeds quantity demanded, often caused by prices set above equilibrium. Bowtie Diagram
Graphical representation highlighting areas of lost surplus from underproduction or overproduction. Allocative Efficiency
State where resources are distributed to match consumer preferences, achieved at equilibrium quantity and price. Productive Efficiency
Condition where goods are produced at lowest possible cost, driven by competition at equilibrium. Marginal Benefit
Additional value received from consuming one more unit, reflected by willingness to pay on the demand curve. Marginal Cost
Additional expense incurred from producing one more unit, reflected by willingness to sell on the supply curve. Market Failure
Breakdown in efficiency due to factors like regulations, externalities, monopoly, or high transaction costs. Externality
Impact on third parties not involved in a transaction, such as pollution affecting neighbors of a factory. Transaction Costs
Expenses associated with making trades, which can prevent beneficial exchanges if excessively high.
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