ABSTRACT
The previous chapter mapped the key dimensions and attributes of supply chain and, therefore, market power in some detail. This chapter takes the analysis further and outlines how a model of exchange can be created to explain the categories of power that exist within supply chain networks and how critical assets are sustained. Such a model falls into two distinct phases. The focus of the first phase is specifically dyadic; that is, it offers a simple model of exchange that involves just two agents (a buyer and a seller). This dyadic model constitutes a refinement of the fourfold categorisation employed so far (namely buyer power, supplier power, buyersupplier interdependence and buyer-supplier independence). The second task is to extend this analysis to the supply chain context.
