Consumer choice process has two steps. Firstly, he assigns a value to each product according to his willingness to pay. Secondly, the consumer compares and ranks these values. People evaluate the stimuli that they see even if they do not have to choose. Marketing may not necessarily need a billboard or commercial in order to materialize. It may extol the positive values of a product.  A consumer may subconsciously value a product anyway.  There are certain aspects that a company's advertisers have to worry about besides what its competitors say or how they advertise because if consumers automatically assign values to products, then marketing may not save a product that has many deficiencies. This may lay out cost effective opportunity to the present advertisers. Companies can highlight some positive virtues of a product on the product itself. Read more at: 

 

http://journal.sjdm.org/11/10420a/jdm10420a.html