The article is focused on the application of multivariety classification techniques for assessing the business environment of selected European Union regions. The theoretical part deals with the issue of identifying the factors, which boost the attractiveness of regions for possible investors....

The aim of this paper is to examine and provide new evidence on changes in the costs and other determinants of economic rationality of international sharing of armaments projects. Based on current transaction costs theory, it defines individual and collective transaction costs of a weapon...