Explores the major concepts and theories of the psychology of bargaining and negotiation, and the dynamics of interpersonal and intergroup conflict and its resolution. Discussions are contextual to a broad spectrum of logistics management practices and industrial relations. This chapter discusses the fundamentals of negotiations, processes, decision making in negotiations, and interpersonal negotiation strategies. Promotion strategies are concerned with planning, implementation, and control of persuasive communication with trade partners. Overriding the conventional negotiation practices, discussions in this chapter focus on the crux of the negotiation process and the conceptual approach to negotiation is built on business psychology, cutting-edge scholarship, and negotiation strategy.