Presented are the results of the analyses of one of the most successful forms of the e-trade gaining more and more popularity - trade in internet, as well as of a formalized description of the most distributed and most often used for empirical studies models. The gained research experience shows that the methods, based on game approaches, are effective for a forming of the strategy when participating in internet auctions, but the researchers face the lack of clear methodical rules, forming the criterion of effectiveness of the participants.