As part of the research, the authors proposed a recipe and production technology for a line of biodegradable materials based on low density polyethylene with different content of natural rubber. The advantages of using such materials include their high operational physical and mechanical properties, which make it possible to create a wide range of various products from these materials, as well as their high biodegradability in soil. So for the composition PE/NR‐50/50, the weight loss in the soil within 18 months was more than 40%. In addition, using the example of the composition PE/NR‐50/50, the authors carried out calculations of the efficiency of organizing the production of material according to the developed recipe, which showed a high investment attractiveness of the implementation of such a project.
Humanitarian workers operate in complex environments with various challenges and demanding working conditions. These challenges put aid workers in a range of risks and under the pressure. However, human resources are crucial for success of humanitarian operations in general. At the same time, each humanitarian operation is reliant on logistics and logistics activities are always connected with logistic staff. Understanding what motivates logisticians to join the humanitarian sector is essential information for humanitarian organizations and for recruiters within. Also, knowing which factors influence motivation and job satisfaction of humanitarian logisticians could help the organizations to struggle with the extremely turnover they have to face. Up to this moment, needed skills and the performance of humanitarian logisticians were examined. Also, the motivators of humanitarian workers are covered in previous research. Therefore, the additional aim of this research is to extend the knowledge about the human resources in humanitarian sector as well.
Hydroelectricity remains the dominate RES (Renewable Energy Source) and the most developed, reaching growth rate peaks in some countries in the 20th century. However, the share of it has fallen over the last few years, as other renewable sources have received rapid development. Despite this, growth for hydroelectricity has remained stable, with China, India, Japan, Russia, Turkey, France, Norway, Canada, USA and Brazil as market leaders. This article analyzes the key trends of development of the hydroelectricity market as a whole, as well as the financial stability of its organizations using bankruptcy likelihood prediction models. The Brazilian and Russian companies were chosen to assess as both countries are classified as developing markets. The bankruptcy prediction models indicate that overall, the financial stability of hydroelectricity giants of Brazil and Russia is at a high level, though profitability ratios are very low. During the COVID-19 pandemic, several financial support measures were implemented by governments, along with the already existing instruments for stimulating renewable energy growth. Authors’ forecasts show that current trends on the market indicate that net addition capacity growth in the next few years will not be enough to meet Net Zero goals for the renewables market.
The purpose of the study.The purpose of the research is to define a previously developed theoretical evolution model of an organizational structure, that is based on the hypothesis that the two types of organizational structures, consecutive and parallel, succeed each other, undergoing quality changes with the growth and development of organisations, though pertaining properties which determine the structure characteristics and provide a sufficient growth of organizations’ efficiency. Following the results of the authors’ previous research, it was hypothesized that the growth of an organization during a transition from one to the other type of organization structure follows either intensive or extensive pattern and is defined by the type of the transformation.Materials and methods.The study analyzed the retail trade sector, with isolated branches that distinguish this type of organizational structures, and educational institutions. The authors believe that organizations of similar types possess similar (consecutive and parallel) organizational structures. Groups of similar objects were identified by the cluster analysis used for grouping basic data. Following this, the results of cluster analysis were defined and key factors for patterns of organizational development were selected by the principal component analysis. Also, the Objectives Tree method was applied to gauge the effect of the types of educational services on the performance of private educational organizations and their structure. The research analyzed the data obtained from the database of commercial organizations of Czech Republic.Results.In general, the proposed model of the evolution of an organizational structure in retail business was redefined, and the outcomes of the conducted analysis allow defining the following:– when transitioning from the parallel to the consecutive organizational structure, the growth can be described as intensive, and while the consecutive model transitions to the parallel organizational structure the growth follows the extensive pattern;– development of retail business is defined by the three key factors: size of an organization, its performance efficiency and lifetime. The cluster analysis of educational organisations revealed seven clusters. After analysis of average values of variables, these clusters can be grouped in five. These outcomes led to the additional research with Objectives Tree, which showed that both small and large educational organisations employ their certain typical features of educational services. A similar pattern describes certain types of educational services in the organisations of different lifetime.Conclusion.The outcomes of the cluster analysis of commercial organisations of two sectors of Czech Republic and their further analysis confirmed the suggested hypothesis and matched corresponding theoretical evolution models of organizational structures, the results also showed intensive growth when transitioning from the parallel to the consecutive organizational structure and extensive growth when the transition changes from the consecutive to the parallel organizational structure. The alternating patterns of consecutive and parallel structures, as well as suggested gauging of the transition effectiveness will allow owners and management staff to efficiently maintain sustainable development of commercial organisations.
The article is devoted to the research of regularities of organizational development of construction companies of the Russian Federation and verification of the developed theoretical model of evolution of production (operational) structure. The proposed theoretical model is based on the hypothesis of the existence of two basic types of production (operational) structures - sequential and parallel - which dialectically change each other, qualitatively changing in the process of growth and development of organizations. The object of the study were construction companies (OKVED-2021 codes 41.2, 42.2, 42.9, 43.1, 43.2, 43.9 and 71.1) that are located in the Russian Federation. The cluster analysis was used as a method of research. The results of the study generally confirmed the hypothesis of two basic types of organizational structures and the theoretical model of the evolution of the production structure. The results of the study can be the basis for the development of business models of organizations in the construction industry.
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