This paper presents the idea that retail trade stories might cluster with their competitors to pool marketing expenses and thereby increase their individual visibility among consumers. In a model which presumes such a marketing technology we derive some new comparative statics results. In a...

In some cases spot markets failure to govern to whole or a part of the marketing channel effectively and contractual relations are gaining more importance. It is especially true in case of agricultural markets, since these markets became more differentiated and market players are vulnerable in...