该图显示了一家公司的长期成本。该公司经历了规模经济

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BlackTom AI · Accepted Answer

这道题给出的是一张长期平均成本曲线（LRAC）的图，要求根据图像判断长期规模经济的范围。
先观察曲线的形状：LRAC在产量从很低逐渐上升时迅速下降，然后在大约1000到9000单位之间趋于水平，最后在更高产量时再次向上弯曲。这意味着在前期随着产量增加，单位成本在下降，表明存在规模经济；在中段产量区间单位成本基本保持不变，属于等规模收益；而在更高产量区间单位成本再次上升，出现规模不经济。
因此，曲线所示的规模经济发生在产量从起点直到大约1000单位的区间内，随后进入近似水平的阶段，再往上走就出现不经济。
如果题目给出了多个选项而其中一个是“直至生产 1,000 台”，那么这个说法与图中的前期下降段对应的规模经济区间相吻合；其他选项若分别描述只有在更高产量才出现规模经济、或始终没有规模经济、或规模经济从更低产量就结束等，都与图中曲线的实际形状不符。

经济学 215-002 家庭作业 8

该图显示了一家公司的长期成本。该公司经历了规模经济

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