Economic globalization has put pressure on companies to strive for cost reductions, increases in quality and shorter production cycles. Similar economic and technological trends have stimulated and determined the emergence of new management paradigms. Business process integration (BPI) is...

In the doctoral dissertation, we consider problems of testing and estimating changed segment with unknown starting position and duration of epidemic state in the autoregressive first-order model. The proposed tests are based on partial sums of model residuals and model-parameter...

Value-at-risk (VaR) model as a tool to estimate market risk is considered in the thesis. It is a statistical model defined as the maximum future loss due to likely changes in the value of financial assets portfolio during a certain period with a certain probability. A new definition of the...