The relationship investment strategy can not only offset the limitation of dilemma plunged by price promotion, but also provide a realistic approach to acquire preponderant competition power.

• 研究表明，关系投资不但可以弥补价格促销易使厂商陷入两难困境的缺陷，而且是厂商赢得真正忠诚顾客的有效工具，并为厂商在激烈的市场竞争中取得优势竞争力提供了现实途径。