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This paper presents a method of generating a business strategy using value chain analysis. There were 186 manufacturing and industrial enterprises from the Czech Republic. The analysis was carried out using mathematical-statistical methods (dimensional reduction, logit regression and its transformation in order to objectify the opinion level of the managers) and with a neural network in terms of validation of the results of the mathematical-statistical methods. The aim was to determine the significance of different parts of the value chain in terms of their impact on the profitability of an enterprise and to demonstrate its important role in the process of generating business strategy. The significance for the profitability of the enterprises was statistically proven in the area of scientific and technological development, input logistics and human resource management. These parts were identified by the authors as the golden triangle of manufacturing and industry. Purchasing and output logistics were identified as the parts with a negative impact to the profitability of the enterprises. Strong underestimation of scientific and technological development by the top managers of the manufacturing and industrial enterprises is seen as a very negative finding. Neural networks showed higher statistical sensitivity compared to the mathematical-statistical methods (dimensional reduction and logit regression). They defined the value sector chain with the following structure (ranked from the highest degree of positive impact on the profitability of the enterprise): human resource management, scientific and technological development, production, input logistics, purchasing, material management, output logistics, enterprise infrastructure, marketing and sales, service and other supporting services. In conclusion, it is stated that the sector value chain of manufacturing and industrial enterprises will be further decomposed into value chain models of specific industries of the production and industry, such as engineering and construction, intended for direct use in different business entities to generate their unique value chains and corporate strategies.Sustainability 2020, 12, 1520 2 of 15 changes taken by the enterprises in the enterprise architecture, including the generation of corporate strategies. Scientific institutions, including universities, need to play a crucial role in addressing this limiting issue in terms of sustainability of enterprises.The current state of scientific knowledge in the field of corporate strategy creation, its structure, form and implementation, together with its decomposition into partial strategies including the methods of its implementation, is described as inconsistent and difficult to use in business practice.The authors of this paper were directly confronted with such a negative and worsening situation in the framework of cooperation with business practice, in particular with top business managers. A similar situation arises in the educational field at universities, where the requirement...

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The COVID-19 pandemic has redefined procedures in every business sector. In the first half of 2020, companies had to face an unexpected and unpredictable situation that resulted in both threats and opportunities in real time. Almost overnight, brick-and-mortar establishments of most stores closed, and the dominant part of transactions and activities moved from offline to the online environment. The main goal of the paper is to identify changes in the interactions of digital customer communities of selected e-business representatives in the Czech market. Within a sample of almost one and a half million Facebook users, during the first spring COVID-19 lockdown (March to May 2020), the interactions of the five largest Czech e-shops and their customers were recorded on a daily basis. The data were then subjected to a thorough statistical analysis in order to identify the specifics that resulted from the highly non-standard market situation. The results suggest that during the pandemic, there was a major reallocation of interactions in terms of their timing. Most interactions take place during the working week. From a day-to-day perspective, most of the interactions occur at around noon. In view of the findings, it can be stated that in order to maintain the competitiveness resulting from efficient management of corporate resources, it will be necessary to modify the usual procedures of e-marketing communication, as well as human resources management procedures in terms of the optimization of work of employees working from home.

Regarding the price of meat product filling in comparison with the negligible cost of the collagen casings, whole roll of the casings is discharged only on suspicion of a small cut during handling. Once the casings are designed to be biologically resistant, they represent relatively problematic waste that is nowadays rather transported to landfills. This represents a significant cost; once the role is opened, it becomes extremely voluminous. The long-term study that was carried out on a commercial scale assessed two methods of utilization: composting of highly disintegrated casings and composting of charred casings. Robust qualitative and financial analysis revealed that the composting of charred casings was more meaningful both from agrochemical and financial point of view.