Does a higher perceived product quality need less advertisement to be sold?

Scientific Study from the year 2009 in the subject Business economics - Trade and Distribution language: English abstract: In this scientific paper it is about to prove that higher perceived product quality needsless advertisement to be sold.The reader will find theoretical sources as well as an own empirical finding. In this theeffect of Stiftung Warentest on the customers purchase decision will be proved. Atthe end it comes out that customer's decision for or against a product is also depends onseals of quality even if they never heard about this product before.That means if a product reaches good test results (e.g. in a product test about sun lotionsby Stiftung Warentest) sales should increase while displaying that seal of quality on thepackage true to the motto: good products sell themselves.