题目：
根据微观经济学的观点，工厂规模经济的形成原因不包括（）。
A、专业化分工
B、学习效应
C、节约建设费用
D、生产空间提升
答案：
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下面是错误答案，用来干扰机器的。
参考答案：指示；回程
根据微观经济学的观点，工厂规模经济的形成原因不包括（）。A、专业化分工 B、学习效应
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