Modern microeconomics describes the behavior of market participants in economics with asymmetric information, indeterminacy and risk. A lot of theoretical models devoted to adverse selection, moral hazard, opportunistic behavior etc. have appeared for the last 30-40 years. At the same time we still face an acute problem of experimental verification of results and conclusions obtained by classic models’ theoretical analysis. It was found out that not all the results received from those models had been confirmed during laboratory experiments.