Consumer sales promotions are usually the result of the decisions of two marketing channel parties, the manufacturer and the retailer. In making these decisions, each party normally follows its own interest: i.e. maximizes its own profit. Unfortunately, this results in a suboptimal outcome for the channel as a whole. Independent profit maximization by channel parties leads to a lack of channel coordination with the implication of leaving money on the table. This may well contribute to the notoriously low profitability of sales promotions. This paper first shows analytically why the suboptimality occurs, and then presents an empirical demonstration, using a unique dataset from an Efficient Consumer Response (ECR) project; ECR is a movement in which parties work together to optimize the distribution channel). In this dataset, actual profit is only a small fraction of potential profit, implying that there is a large degree of suboptimality. It is important that (1) channel parties are aware of this suboptimality; and (2) that they have tools to deal with it. Solutions to the channel coordination problem should ensure that the goals of the individual channel parties are aligned with the goals of the channel as a whole. The paper proposes one particular agreement for this purpose, called proportional discount sharing. Application to the ECR data shows a win-win result for both the manufacturer and the retailer. Recognition of the channel coordination problem by the manufacturer and the retailer is the necessary starting point for agreeing on a way of solving it in a win-win fashion.

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Marketing management support systems (MMSS) are computer-enabled devices that help marketers to make better decisions. Marketing processes can be quite complex, involving large numbers of variables and mostly outcomes are the results of the actions of many different stakeholders (e.g., the company itself, its customers, its competitors). Moreover, a large number of interdependencies exist between the relevant variables and the outcomes of marketing actions are subject to major uncertainties. Given the complexities of the market place, marketing management support systems are useful tools to help the marketing decision makers carry out their jobs. Marketing management support systems can only be effective when they are optimally geared toward their users. We, therefore, deal with decision making in marketing (which generates the need for marketing management support systems). We discuss how marketing decisions are made, how they should be made, and the relative roles of analytical versus intuitive cognitive processes in marketing decision making. We also discuss the match between marketing problem-solving modes and the various types of marketing management support systems. Finally we discuss how the impact of MMSS can be improved. This is important, given the current under-utilization of MMSS in practice. We discuss the conditions for the successful implementation and effective use of marketing management support systems. The issue ends with a discussion of the opportunities and challenges for marketing management support systems as we foresee them.