问题
单项选择题
Which of the following statements regarding deadweight loss is least accurate（）
A. Deadweight loss occurs when the allocation of resources is inefficient.
B. Deadweight loss from underproduction leads to a loss of producer surplus but not consumer surplus.
C. Deadweight loss occurs when the quantity supplied does not maximize the sum of consumer and producer surplus.
答案
参考答案：B
解析：
Deadweight loss is the reduction in consumer and producer surplus due to underproduction or overproduction.