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Promotion model based on the transmission of indirect and non-personal information through the mass media. A few years ago, the product was the main element in a commercial relationship and its quality largely determined the completion of a sale. Currently, there are a large number of products on the market, many of them with similar characteristics, so the use of other elements is necessary to develop a successful commercial action. The quality of a product can allow us to keep our current customers, but other actions will be necessary to attract new buyers and, in turn, that the market knows about the existence of our product. Commercial promotion is the most useful action to make our product known. Trade promotion is fundamentally communication, and is basically the transmission of information from the seller to the buyer in order to stimulate demand.