A company has a profit and loss statement and there's something that is called net income, which is the measure of how much the company is making the profits after expenses of the company, called the bottom line.

例如,每家公司都有损益表,还有净利润,净利润指公司收益总额,扣除经济成本,也称为盈亏结算线

耶鲁公开课 - 金融市场课程节选

You can't think that it really could make so much difference in the real world how prices and quantitie and welfare, and profit is going to work out depending on some thought experiment about how I think about my strategy set.

你们很难想象在现实世界里,价格 产量 福利和利润会因为,不同策略集合设定下的思想实验,而产生如此巨大的变化

耶鲁公开课 - 博弈论课程节选