Oleksandr Dorokhov

• Professor
• Visiting Professor at University of Tartu

Background: Literature studying is a critical step in research. It allows identified gaps, unresolved issues, research directions, methods, and models for use. Accordingly, publication review is an ongoing task. A lot of poorly defined data makes it difficult to use precise methods, and require new approaches for their processing. One of them is fu...

In the context of armed conflicts, regions often face infrastructure destruction and economic difficulties. The development of tourism can be a key factor in recovery and economic growth. Geospatial platforms for interactive charitable tourism offer a promising solution for attracting tourists and stimulating the development of affected regions. Th...

Purpose Due to population ageing, the European Union (EU) has adopted active ageing as a guiding principle in labour and retirement policies. Among the strategies for active ageing, age-friendly workplaces play a crucial role. This study compares age-friendly human resource (HR) practices in the Baltic and Nordic countries. The latter are pioneers...

In the context of armed conflicts, regions often face infrastructure destruction and economic difficulties. The development of tourism can be a key factor in recovery and economic growth. Geospatial platforms for interactive charitable tourism offer a promising solution for attracting tourists and stimulating the development of affected regions. Th...

This study aimed to develop a resilient benchmarking system for small hotels in Ukraine, designed to ensure their survival and growth amid global disruptions and local crises. Given the severe challenges associated with the COVID-19 pandemic and military actions, the resilience of the regional tourism business is particularly relevant. The methods...

The methodical approaches to optimization of soil indicators of chernozems with natural fertility for obtaining high-quality grains of soft winter wheat were considered in the work. The purpose of the study is to substantiate the determination of the optimal levels and ratios of main grain quality indicators (protein, gluten, vitrification) and soi...

The research is aimed at improving approaches, methods, and tools for analyzing and developing a mining company brand strategy. An analysis of the main approaches to defining the concepts of “brand” and “trade mark” is given, their features and differences are highlighted, and the features of branding of mining enterprises are described. The modifi...

The study is aimed at developing a resilient benchmarking system for small hotels in Ukraine, designed to ensure their survival and growth amid global disruptions and local crises. Given the severe challenges associated with the COVID-19 pandemic and military actions, the resilience of the regional tourism business becomes particularly relevant. Th...

Introduction/purpose: Studying the dynamics of the mutual influence of supply and demand is relevant in connection with the financial losses that arise due to uncertainty in demand and forecast errors. The work aims to build a mathematical model of the dynamics of this interaction for the market of one product. Methods: The paper proposes a mathema...

The article discusses one of the classic problems of macroeconomic dynamics, on which the neo-Keynesian theory of growth is based, so that the interaction between the multiplier and the accelerator. A new approach was proposed to develop a mathematical model of the dynamics of the mutual multiplier, which indicates the marginal propensity to save a...

The problem of economic stimulation of top managers remains relevant and unresolved. Economic incentives of top managers should be based on the performance of the enterprise, and this relationship is recognized by economists, scientists, and practitioners. The main problem here is the development of a scale of economic incentives. In most cases, ec...

The development of e-commerce requires the strengthening of this component of the pharmaceutical business while providing the population with medicines. Improving the operation of pharmacy websites is an important task with a significant marketing effect. The purpose of the study is to identify errors on pharmacy websites that worsen their usabilit...

Purpose This study aims to predict the dark side of knowledge management risk to innovation in Portuguese small and medium enterprises (SMEs). It examines the spinner innovation model factors of knowledge creation, knowledge transfer, private knowledge, public knowledge and innovation in uncertain environments. Design/methodology/approach The auth...

The study of consumer choice is an important classical research task for various markets for goods and services. This fully applies to new products and devices for household, personal monitoring, and self-monitoring of health status. In the last decade, a few such products have appeared and have become available to a wide range of buyers, in partic...

The article proposes to develop a method for determining the conformity of vector illustration to the laws of composition and design, which will help to engage in artistic work for people without special skills and abilities. The concept of the centre of the composition is analysed. The main criterion of equilibrium is determined - the distance bet...

The existing theoretical provisions and methodological recommendations on applying a systematic-functional approach in managing innovative development of construction enterprises are improved in the paper. Based on the performed research results, the classification of innovative development types was developed and the essence of the "innovative dev...

This paper considers the economic and social aspects of organizing the functioning of small forms of green tourism. The importance of developing this type of recreational business as a form of self-realization of peasant farms has been proven. The role of rural entrepreneurship as a factor of regional development has been substantiated. The paper p...

The development of trade sector of the Ukrainian economy triggers the need to study the processes of formation and evaluation of the retail business efficiency taking into account the current conditions of economic development. The objective of research is a methodology for assessing the performance of retail. The proposed methodology is based on t...

The goal of this study is to analyze and characterize customer expectations in the cosmetics sector. Within this framework, first, the extant literature is reviewed, and 12 most prominent performance measurement criteria are identified. Then, these criteria are organized along the four different balanced scorecard dimensions. By employing an Interv...

The subject of the study was fitness services and interaction with consumers of its. It has been identified the main criteria for evaluating the fitness service by customers in process of decisions and selection of the fitness facilities for a visit Surveys of the youth segment of fitness consumers in Kharkiv were conducted and results were process...

The task of the traveling salesman, which is to find the shortest or least costly circular route, is one of the most common optimization problems that need to be solved in various fields of practice. The article analyzes and demonstrates various methods for solving this problem using a specific example: heuristic (the nearest neighbor method, the m...

The efficiency of small gardening is considered in this paper. The importance of peasant households for the Ukrainian village is justified. The necessity measures facilitating the efficiency of family agricultural production was proved. The international practices of the functioning of peasant households were analyzed. The recommendations such as t...

Introduction. The computer modeling consumer behavior is very important in the context of a globalized market. More attention is paid to the consumption of manufactured goods and everyday items. Much less attention is paid to the service sector, in particular medical, recreational and physical. There is also a lack of application of mathematically...

It is determined that inclusive development comprises processes of economic growth and development, inclusiveness as a system of inclusions, takes into account the anthropogenic burden on the ecosystem, as well as the relational nature of socio-economic transformations. Inclusive growth is based on the concepts of sustainable development of the kno...

The method of selection of innovative projects on the rating assessment of their economic efficiency was improved in the course of the study. This method implies systematization of different orientation of the lighting aspects of economic efficiency of innovative projects of individual indicators and justification of the procedure of generalization...

The article is devoted to developing a definition of the indicator of the bank’s competitiveness which based on the theory of fuzzy sets and neural networks techniques. Uncertainties that have a place when considering and analyzing the components of evaluating the success and effectiveness of the bank have been considered and analyzed. The sequence...

The broad introduction of digital technologies makes changes in the structure of socio-economic relations between labor and capital in the market, affecting its informational efficiency. The purpose of the article is a systems analysis of the structure of the cause and effect relationships between the informational efficiency of exchange prices, wh...

The current economic situation in Ukraine is conditioned by the efficiency of the export-import activity of industrial enterprises. In turn, the effectiveness of the strategy for the development of this activity depends on the scientific substantiation of its analytical support. This confirms the relevance of the topic of the article. The purpose o...

The article discusses the problem of heteroskedasticity, which can arise in the process of calculating econometric models of large dimension and ways to overcome it. Heteroskedasticity distorts the value of the true standard deviation of the prediction errors. This can be accompanied by both an increase and a decrease in the confidence interval. We...

In the article, using the methods of functional systems theory we analyzed the characteristics of the social and institutional venture capital, their unity and distinctions were proved. Presented is the possibility of using the recommendations of the Commission by J. Stiglitz on the Measurement of Economic Performance and Social Progress at the ent...

The paper substantiates the need to consider economic efficiency indicators of bank activity as fuzzy quantities. Formulations of the problem of fuzzy regression analysis and modelling, available in literary sources, have been analyzed. Three main approaches to the fuzzy regression analysis are presented. The general mathematical and meaningful for...

The solution of the problem of multicriteria alternative choice in the conditions of fuzzy expert assessments of compliance with alternatives to the requirements of criteria is described. We consider the situation when the rating of the alternatives can comprise several experts that form an individual system of criteria for evaluation of alternativ...

The work is aimed at defining the directions of credit activity intensification of the economic entities through critical analysis of banks as a powerful leverage of raising additional resources and ensuring sufficient conditions for the development of entrepreneurship. The system of management of quality credit portfolio has considered as the basi...

The article deals with the maintenance of retail buyers of drugs and medical products in pharmacies. In particular, possible buyer queues in pharmacies are considered. The aim of the work is to reduce such queues and optimize the work of the attendants at the pharmacy while selling medicines and other pharmaceutical products. To this end, it is pro...

At the beginning, the article briefly describes the features of the marketing complex household goods. Also provides an overview of some aspects of the market for indoor air purifiers. The specific subject of the study was the process of consumer choice of household appliances for cleaning air in living quarters. The aim of the study was to substan...

The article deals with a modern concept of controlling at enterprises in international business, which contains clarifications of the essence of controlling as a system and detailed consideration by its types: strategic and operational controlling, improvement of their goals, tasks, principles, functions and their relationship to other functions of...

The problems of measuring the quality attributes for different objects in the economy were considered. This article used methods of value measuring in the economy that were determined by the existing types. In this, it must distinguish between direct primary measurement, indirect measurement, joint and combined measurement. The different ways to so...

The paper considers the development of a computer model for the task of determining consumer estimates of pharmacy institutions by visitors and clients in terms of quality and service conditions. The main criteria and parameters for such an assessment were chosen, and their hierarchical tree was constructed. Then, the units of measurement and the r...

The indicators of business tourism reflect the background of a national economy support, the openness of business environment in general. The article discusses the relevant problems of tourism in Ukraine in accordance with the global trends in the world services market. The research covers statistical observations, contradictions, and challenges in...

The problem of determining the critical path for the scheduling tasks has been considered. An original technique for practical calculations using the available Solver add-on in Excel has been described. The proposed approach is based on reducing the task of solving the ordinary transportation problem, in particular the problem of finding the longes...

The system efficiency of the company functioning depends on the quality potential, level offunctional organization and operativeness of management decisions. All these aspects need to beshown results indicators of enterprises. Under effectiveness is to be understood the degree ofachieve of the strategic goals of the enterprises. The most well-known...

Factors, which determine the structure and the parameters of secured information-telecommunication system, have been identified. The concept of mathematical modelling of secured information-telecommunication system has been defined. Optimisation factor and criterion of information-telecommunication system have been proposed. Equations of sensitivit...

The problem of calculation of optimal path for reverse parallel parking is examined. Elementary mathematical model of car movement on plane is described. Optimality criterion and restriction on a possible path for parallel parking are formulated. It is offered a way of choice of a quasi-optimal path for reverse parallel parking. Corresponding numer...

New approaches to realizations of military operations are analyzed. The main factors that directly affect the construction and operation of information security subsystems in prospective automated command and control military systems are described. Possible ways of the construction of cryptographic subsystems of information protection in automated...

Construction of Estimates in the Choice of Alternative Solutions by Using the Fuzzy Utilities The problem of multi-criteria choice of alternatives with accounting the multiple stakeholders' preferences has been considered. The model for solution with the composition of fuzzy sets has been described. The mathematical formulation and justification of...

The article deals with solving the alternative choice problem on the base of fuzzy decision trees or fuzzy positional games, which peculiarity lies in using fuzzy quality estimation of decisions consequence and nature states. The proposed approach and numerical algorithm can be used for a large number of transport services problems. Among them, the...

The article considers the tasks of comparing the wholesale pharmaceutical firms by their indicators of the logistics service and their SWOT-analyses applying the expert appraisal in its fuzzy form. It is offered to present the results of such appraisal as fuzzy numbers and their processing basing on the fuzzy set theory. Cases with the calculations...

The basic criteria of quality vehicle servicing and operation of road transport enterprises in the transportation market of Ukraine have been reviewed, classified, described and structured. Their formalization by linguistic variables with appropriate terms has been done. Usage of methods of fuzzy inference to determine the integral generalized leve...

Expedience of quality estimation of transport service in the conditions of narrow-mindedness, unclear, incompleteness of information and competition environment at the market of transport services on the basis of fuzzy sets is grounded. The parameters of quality of implementation of freight transportations are certain. The two-tier model of determi...