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After 1989, when significant economic and social changes took place in the Czech Republic, the mining of most minerals was gradually reduced by 30-40%. The development of the external environment, especially the external conditions directly/indirectly.-positively/negatively affects mining of mineral resources. In the presented article, we examine the dependence between exploitation of black coal and external conditions in terms of management. Selected macroeconomic indicators (not only in the Czech Republic but also in Germany) and industry indicators describing external conditions were chosen. This investigation of this issue was based on available empirical data, including mining and macroeconomic sector. Dependence was determined by multidimensional regression analysis. The processing engine for multidimensional regression analysis was the RKWard software. The results of the exploitation of black coal, as the examined mineral, lead to further research, e.g., in the field of econometric modeling and prediction of the raw materials' extraction, which the authors continue to address. [ABSTRACT FROM AUTHOR]

Evolution of main macroeconomic characteristics indicates the strength and condition of economies worldwide. According to these characteristics budgets are being compiled, success of governments is being measured, large enterprises are being oriented etc. Energy raw materials harvested in the Czech Republic are currently under a large environmental and political pressure. The aim of this article is to evaluate dependency of selected energy raw materials harvested in the Czech Republic on selected external conditions in neighbouring countries, which are not only the basic macroeconomic indicators such as gross domestic product, unemployment rate and industrial production index, which is not included in the basic macro data, but records condition of industry as a whole. The results of the present article should be the basis for medium- and longterm management decisions in strategic planning. [ABSTRACT FROM AUTHOR]

In current turbulent environments, it is of vital importance that both commercial and production organisations maintain their high entrepreneurial potential and seek for new market opportunities. This concerns all national economy industries inclusive engineering. In the Czech Republic, the abrasive silicon carbide is often used in engineering to grind, burnish, and lap various materials. Decisions about which country might become a purchaser of silicon carbide, or identifying a market gap depend among others on the evolution of the specific country macroeconomic indicators, like gross domestic product (GDP), inflation, and industrial production index (IPI). The assessment of some macroeconomic indicators provided for meeting this paper's objective, namely identification of the German marketplace potential for increasing sales of silicon carbide. [ABSTRACT FROM AUTHOR]