这种新均衡特征的出现让拓展既有的“效用不变”的假定成为可能。
This new equilibrium makes it possible to extend the existing "unchanged utility".
研究结果表明,当其他参数不变,如果通过直销渠道购买的产品对于顾客的效用降低值较大时,则制造商不应构建直销渠道;
The results show that if the utility of goods purchased from direct marketing reduces largely when other parameters do not change, direct marketing should not be formed;
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