Abstract

The phenomenon of counterfeiting and its consequences to the enterprises and the brands is a disaster which is very interesting in all economies. We are propose to determine the factors that are must often prominent on the behavior of the consumers on what concerns the buying of counterfeit drugs. In effect, this study was realized at the base of an interview of the sample of 250 persons. We have had as variables dependent the frequency of buying was .the frequency of buying was explained by four principal constituent who were used like variables who explained the behavior of consumers vis a vis the counterfeit to know the knowledge of the counterfeit product .The satisfaction, the motivation. Each constituent understood a certain number of variables all the spirit of the literature review. Experienced from the methodology of Mallet (2004) we proceeded to and analyses of two level to know descriptive and explanation. We have carried out the test by multinomial logistic regression, the reasoned that the frequency of buying of drugs which are of the daughting quality is significantly influence bye the knowledge of the product, the satisfaction of the illness, the motivation of the buyer. Then we should react on the factors in order to reduce and eliminate the frequency of buying. We have noticed that the satisfaction is the most determine variable which push the users to consume the counterfeit products.