Markets · Tool 03
Price Controls
Price ceiling and price floor effects on equilibrium, surplus, and deadweight loss
Demand:
P = a − bQ
a (intercept)
80
b (slope)
0.8
Supply:
P = c + dQ
c (intercept)
10
d (slope)
1.4
Control type
Price ceiling
Price floor
Ceiling price
P
ceiling
35
Supply and demand diagram with price control
Interactive diagram showing supply, demand, equilibrium and price control effects
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