This document discusses the importance of negotiation in partnerships and outlines several models for effective negotiation. It notes that partnerships depend on good working relationships between people from different organizations and cultures. Critical success factors for partnerships include effective negotiation, having a negotiation strategy, and focusing on relationships. The Cohen-Bradford Influence Model is presented as a framework for influencing others without direct authority, with steps like assuming others are potential allies, clarifying goals, understanding the other perspective, identifying important priorities or "currencies", dealing with relationships, and negotiating through give-and-take.