What is the fine-grained topic of the following text: Because purchasing cooperatives are an important part of helping their independent business members stay independent, competitive and rooted in their communities, the National Cooperative Business Association (NCBA CLUSA) has partnered with Project Equity to better understand the succession challenges of purchasing cooperative member companies, and to assess how employee ownership transitions can help keep these companies independent over the long term. Only return the topic.
Employee ownership transitions in purchasing cooperative member companies