Naturally, the returns of differentiation accrue to that stage of the chain which is responsible for the differentiation, and it does not necessarily mean, particularly in oligopolistic markets, that a large part of the benefits accrues to producers.
自然，引起异样化的链条在这一阶段获得异样化收益，但特别是在寡头垄断市场，这不一定意味着生产商获得大部分的利益。