Externality When I'm figuring out how much effort to contribute to this firm I don't take into account that other half of profits that goes to you.

外部性,当我计算要为公司付出多少时,我没考虑到利润的一半会归你所有

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It's an "externality." It's an externality. There's an externality here.

叫外部性,这里边存在了外部性

耶鲁公开课 - 博弈论课程节选

If you have profit sharing in a firm or profit sharing in homework assignment, or any joint projects, you have to worry about too little effort being contributed because there's an externality.

如果你是一个公司的股东,或者和别人一起做作业及其他合作项目,你们需要注意到因为外部性,实际上每个人都付出了较少的努力

耶鲁公开课 - 博弈论课程节选