That large data set allowed them to analyze information for the 50 U.S.states separately, and also to identify trends by race and gender.

VOA: standard.2010.08.10

I won't bother to write it separately for Firm 2, it's going to be the quantity it sells times the price it gets for that quantity, minus that quantity it sells times the cost it incurs in producing that quantity.

我不用另外写公司2的收益了,收益是销量,乘以对应的价格,减去销量乘以产品,的生产成本

耶鲁公开课 - 博弈论课程节选

The problem with the Blue Sky Laws was that they were each state done separately and it was hard for states to manage what were, basically, national businesses.

蓝天法的问题在于,各州的法律都是分开制定的,由各州政府去处理,然而全国性的问题却无从解决

耶鲁公开课 - 金融市场课程节选