In one model we thought of the firms setting quantities and the market determining prices, and here we have the firms setting prices and the market determining quantities, but the basic underlying economic structure of this is very, very similar.

在前一个模型我们假设公司设定产量,而市场决定价格,在本模型中我们假设公司设定价格,而市场决定产量,但基本的经济结构是非常,非常相似的

耶鲁公开课 - 博弈论课程节选

We'll come back to this, but beta of the stock is a measure of how much it moves with the market and the alpha of a stock is how much it outperforms the market.

回到原先的话题,beta用以衡量,本公司跟随市场变化的程度,alpha衡量超过市场的表现

耶鲁公开课 - 金融市场课程节选