中等ECON-MINT-005
The HKSAR government sets a quota on the number of taxi licences. If the quota is binding, which area represents the deadweight loss?
A. The rectangle between quota price and marginal cost
B. The triangle between demand and supply curves beyond the quota quantity✓ 答案
C. The entire consumer surplus under the demand curve
D. The producer surplus gained by licence holders
解說
A binding quota restricts quantity below equilibrium, creating deadweight loss equal to the triangle between demand and supply from the quota quantity to the equilibrium quantity.