The last decades were marked with an increasing involvement of multi-product manufacturers into cross-border business activities. Dealing with heterogeneous needs of consumers in different countries is one of the biggest challenges in the modern business. Correspondingly, special importance is...

Darbo tikslas – išanalizuoti statybos rangos sutartis, kurias pateikia FIDIC (FIDIC - International Federation of Consulting Engineers), bei nustatyti statybos sutarčių efektyvumą taikant verbalinę sistemą. Tarptautinės statybos rangovai dažniau susiduria su sudėtinga situacija...

Background: An important issue in prediction modeling of multivariate data is the measure of dependence structure. The use of Pearson's correlation as a dependence measure has several pitfalls and hence application of regression prediction models based on this correlation may not be an...

In this thesis, a new univariate-multivariate portmanteau test is derived. The proposed test statistic can be used for diagnostic checking ARMA, VAR, FGN, GARCH, and TAR time series models as well as for checking randomness of series and goodness-of- fit VAR models with stable Paretian errors....