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fin.consumer-surplus-deadweight Calculator
Calculates consumer surplus and deadweight loss from a linear demand curve, equilibrium price, and a new policy price. Deadweight loss quantifies the economic inefficiency from price floors, price ceilings, or taxes — the area of the Harberger triangle.
Inputs
P Eq
Reference formula or conversion factor shown for context.
P Floor
Reference formula or conversion factor shown for context.
Q Eq
Count or number of items involved.
Q New
Count or number of items involved.
Demand Slope
Reference formula or conversion factor shown for context.
Results
consumer surplus at equilibrium ($)
The arithmetic total of all input values.
consumer surplus at new price ($)
The computed or recommended price.
change in consumer surplus ($)
The arithmetic total of all input values.
deadweight loss DWL ($)
The computed weight (gravitational force) or mass.