We study the life distribution of an operating device through the notion of mean residual life. The device is experiencing a random number of shocks governed by a homogeneous Poisson process, and a new U-statistic test procedure is introduced to test the hypothesis of that the life is...

We continue publishing the four-part consultation of professor of Moscow School of Economics of Lomonosov MSU Dean Fantazzini. The first part, that appeared in 2 (10), 2008 of the journal, dealt with the introduction to the problem (section one: basic concepts and types of financial risks,...