品牌信用度（Brand Credit Degree,用BC表示），是指通过排它性的品类符号向目标顾客做出并做到某种品类即单一利益点承诺的程度。只有做出成为某个品类的代言或象征的承诺，并且真正履行了该承诺的品牌，才能真正降低目标顾客的选择成本，提高顾客选择效率。
而且品牌信用度愈大，品牌集中度也愈高。
Furthermore, the higher degree of brand credit is, the higher brand concentration ratio is.
通过模型分析发现，影响公司持续成长的因素表现为公司的品型深度、品牌信用度和品类需求强度。
Through model analysis shows that the factors that affect the performance of the company continued to grow as the company's brand depth, brand credit degree and category demand intensity coefficient.
文章为“品牌战”替代“价格战”提供了理论依据，即通过品牌建设提高品牌信用度，使得在价格提高的条件下需求量增加，而这只有在需求曲线改变位置时方能做到。
Therefore, this paper provides a practical means for firms to escape from the trap of price war and substitute brand war for price war through brand construction to increase brand credit degree.
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