TY - JOUR AU - Cox, Andrew AB - Andrew Cox is professor and director of the Centre for Business Strategy and Procurement at the University of Birmingham in Birmingham, England, and Chairman of Robertson Cox Ltd, in the UK and USA. He can be contacted at ac@robcox.com. supply markets, with low barriers to entry, low switching costs, and limited information asymmetries. Third, if this economic logic is valid, then it implies that all buyer and supplier relationships must at their most basic level be inherently conflictual. This is not to argue that buyers and sellers cannot collaborate together and work in harmony, as many recent writers in this area have contended. Rather it is to argue that, objectively, all business relationships must exist in a state of permanent tension, even when mutually beneficial exchange relationships exist and close collaboration can occur. Why is this? Buyer and seller relationships can only occur if both sides obtain some gains from the trade that occurs between the supply of goods or services and their exchange for money. This is because nobody would trade with anyone else if both sides did not gain something that they value from the exchange relationship. But to say that the act of exchange itself TI - The Power Perspective in Procurement and Supply Management JF - Journal of Supply Chain Management DO - 10.1111/j.1745-493X.2001.tb00093.x DA - 2001-03-01 UR - https://www.deepdyve.com/lp/wiley/the-power-perspective-in-procurement-and-supply-management-iVP1SIvua1 SP - 4 VL - 37 IS - 1 DP - DeepDyve ER -