The paper presents methods of operational lignite quality control in the German power industry that base on blending on stockpiles with the extensive use of on-line analysers. Comprehensive improvements of mining and transportation machinery systems as well as burning process in power plants...

The concept of social system of production is one of the research perspectives by which the institutional arrangements of modern market economies are being analyzed. On this basis considerations can be made on distinctive arrangements in given countries, in line with the thesis of Variety of...

Methods of identification of external effects of functioning of industrial clusters. The aim of the paper is to present methods used to identify the external effects of the industrial clusters. One of them is to evaluate a regional growth regression with a cluster index as one of the explanatory...