Constant cost production possibility curves 跟 Increasing cost production possibility curves怎么画

Constant cost production possibility curves 跟 Increasing cost production possibility curves怎么画

题目
Constant cost production possibility curves 跟 Increasing cost production possibility curves怎么画
Constant cost production possibility curves 跟 Increasing cost production possibility curves是怎么样的曲线吖 为什么百度都搜索不出来这样的术语!
答案
Constant cost production possibility curves是一条直线.至于Increasing cost production possibility curves就是一条弧线.这个不知道怎么形容.
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