Model Of Economic System Research Articles

Integration of Circular Economy and Urban Metabolism for a Resilient Waste-Based Sustainable Urban Environment

An unsustainable rate of resource production and consumption is evident in urban environments. The absence of innovative approaches in conjunction with the exponential urbanization and expansion of the global population will inevitably result in substantial environmental consequences. There are two emerging alternatives: circular economy (CE) and urban metabolism (UM). The integration of these principles into novel methodology casts doubt on the linear model of contemporary economic and urban systems, which includes extraction, production, utilization, and disposal. In the development of a distinctive urban framework known as circular urban metabolism, the current study has illustrated the application of these principles. We design this study to motivate urban planners and decision-makers to investigate, develop, and supervise ecologically sustainable cities. Scholars from a variety of academic disciplines, intrigued by the intricacies of urban planning, design, and administration, can foster interdisciplinary collaboration in the circular urban metabolism (CUM) region. To address the research question, we implemented a bibliometric analysis, which involved the examination of 627 pertinent research papers, utilizing the R (R 3.6.0+) statistical programming language. The results emphasize the fundamental characteristics and significance of CUM in the management of refuse. In addition, the findings underscore the importance of creating a novel framework that incorporates the principles of urban political ecology, CUM, sustainability, and the novel dimension of waste metabolism. It is the goal of this framework to emphasize the significance of recycling in the informal sector as a waste management strategy in low- and medium-income countries (LMICs).

Analysis of alternative national development pathways for the cattle system in Ethiopia: linked economic and animal systems (LEAS) model

Analysis of alternative national development pathways for the cattle system in Ethiopia: linked economic and animal systems (LEAS) model

The model of economic cooperation systems in the context of implementation of the “One Belt One Road” initiative

The model of economic cooperation systems in the context of implementation of the “One Belt One Road” initiative

Is journal prestige indicator equivalent of money for humans?

In this paper, we investigate the time evolution of the rank correlation coefficients of the prestige indicators of the journals (such as Scimago Journal Rank) over 21 years, for 9856 journals in various disciplines. The observed dependencies do not differ qualitatively from those observed for the time evolution of the ranking correlations in wealth rheology among the richest people recently found by Burda et al. [Entropy 23, 842 (2021)], but quantitatively the changes in rank correlations for human wealth are much stronger than in the coefficients measuring the prestige of journals. In terms of Kendall's rank correlation coefficients, disciplines "Agricultural and Biological Sciences" and "Earth and Planetary Science" are the most typical, meaning that the time evolution of their rank correlation coefficient based on Scimago Journal Rank is closest to the time evolution of an average over all disciplines. The time evolution of the mean value of the overlap ratio is closest to the time evolution of the overlap ratio for "Psychology" and "Physics and Astronomy" disciplines. The Kendall rank correlation coefficients and the overlap ratio decrease nearly linearly over time, except for the first year, where their decay is significantly faster. The analogy between human wealth and the prestige indicators of journals is strengthened by performing a Monte Carlo simulation of the time evolution of the probability distribution function of Scimago Journal Rank. The simulation is based on a simple model of economic systems. Due to the different coverage of the journals in Scimago Journal & Country Rank and Web of Science, the identically defined measures based on the data in these databases are different.

Бразильский интегрализм: праворадикальная утопия в эпоху фашизма

The 20s-30s of the 20th century have gone down in history as "the time of fascism", which is quite true for European countries. A unique phenomenon for the countries of the "South" was the emergence of a mass fascist movement in Brazil - Integralism, which proposed a new model of state-hood and economic system based on nationalism, authoritari-anism, and corporatism common to all fascist movements. Meanwhile, this movement had a number of striking differ-ences from its European counterparts: multiculturalism, non-ethnic and non-racial nationalism, and anti-imperialism. Inte-gralism was Brazil's first truly mass nationwide political movement in its history, whose main difference was the regionalization of politics and the disunity of the elites of the different provinces of the country, thus presenting a model of integration and nationwide modernization of the country. This article analyzes the ideological, political and programmatic foundations of Integralism, its political aspirations and practices.

Оптимизация разнообразия агентов: размышления, гипотезы, прогнозы

The problem of compressing the diversity of assessments and actions of agents by modern versions of arti-ficial intelligence is recognized as potentially very dangerous by practical managers. In previous studies, using the quasi-Fisher representation of our probabilistic model of hybrid economic systems, the authors showed that these concerns are justified at least for agents symmetrical in deviations, such as producers of goods "worse than the market", "better than the market" in terms of cost, since they correspond to the Fisher theory of evolution. How-ever, examples, in particular from agriculture, show that asymmetric situations are not exotic and need special modeling, the results of which are presented in this paper. The first simulation results show that for this obviously asymmetric situation, it is advisable to control the compression of diversity in order to achieve optimal values synchronized with the variability of the environment. Within the framework of the general concept of studying the problem - the compression of AI diversity – this means the expediency of a differentiated attitude by industry.

Measuring Readiness to Welcome a Golden Indonesia (2045): Analysis of the Implementation of Pancasila Economics and its Legal Umbrella

A factor that can support the accomplishment of the Indonesian state's objectives is the economic application of Pancasila. From Mohammad Hatta's worldview, the Pancasila economy is a force that can support the accomplishment of national objectives. To attain national objectives, create a modern, wealthy, and prosperous Indonesia. Normative legal research is what this study is. According to the research, cooperatives have Pancasila economic values and are vital to the country's economy. A more appropriate reflection of the family-based and Pancasila-based economic system model of economic law development can be seen in creating cooperatives to address issues that provide difficulty for foreign investment. In order to fulfill the dream of Indonesia's golden years, it can significantly influence the country's economic growth in 2045.

Joint Modeling and Operational Optimization of a Reverse Osmosis-Mechanical Vapor Recompression System for Coal-Fired Power Plant Wastewater.

The operation of coal-fired power plants generates a large amount of wastewater. With the issuance of increasingly strict drainage standards, the cost of wastewater treatment is increasing, and the need to reduce the cost of wastewater treatment is becoming increasingly urgent. Thus, based on the principles of reverse osmosis (RO) and mechanical vapor recompression (MVR) in wastewater treatment, the operational optimization of an RO-MVR joint system was studied in this work with the consideration of reducing the operating costs of wastewater treatment under given operational conditions. Firstly, based on the basic principles of RO and MVR, corresponding mechanism models were established and their accuracy was verified. Then, an economic model of the RO-MVR joint system was established, with the goal of minimizing the water production unit price and daily operating costs of the joint system for optimization analysis. Finally, we analyzed the cost and water production performance of the RO-MVR joint system before and after optimization under different operating conditions. The results show that this optimization based on the RO-MVR joint system will reduce the unit price of water production to 3.16 CNY/m3, with the daily operating costs being decreased by 22% compared to before optimization. This result helps to reduce the cost of zero-discharge wastewater treatment in coal-fired power plants.

Possibilities and limits of modelling of long-range economic consequences of air pollution – A case study

Air pollution is the biggest environmental problem in modern societies, causing considerable health damage and requiring substantial financial resources for health care. The goal of the study is to demonstrate the adverse economic consequences of air pollution on example of a small, open Central European country, Hungary, and to provide quantified financial arguments for macroeconomic decision-making for the development of a long-term energy strategy. On the basis of the Cobb-Douglas production function and Solow-Swann model of dynamic economic systems a simple and robust model was constructed to estimate and predict economic losses, caused by the pollution. On base of results it is obvious, that on base of macroeconomic theory and combination of various, publicly available, quality-controlled statistical resources quantifiable models can be constructed to characterise the economic consequences of air pollution, but it should be taken into consideration, that the reliability of economic models considerably depends on their initial parameters and practical validity of assumptions, based on which the underlying economic theories were built. The most important economic burden of air pollution is caused by the loss of working–age population, resulting in a decrease of 4.1–9.4 % a year in Gross Domestic Product (GDP) in the next fifty years. The additional burden of health care costs amounts to 0.1 % of GDP. Reducing air pollution is not only a quality of life improvement but also an investment into the economic development. Notwithstanding of statistical biases it could be proven the importance of combination health economic and econometric methods in preparation of more efficient environmental-related socio-economic decisions.

Application of Mass Service Theory to Economic Systems Optimization Problems—A Review

An interdisciplinary approach to management allows for the integration of knowledge and tools of different fields of science into a unified methodology in order to improve the efficiency of resource management of different kinds of systems. In the conditions of global transformations, it is economic systems that have been significantly affected by external destabilizing factors. This determines the focus of attention on the need to develop tools for the modeling and optimization of economic systems, both in terms of organizational structure and in the context of resource management. The purpose of this review study is to identify the current gaps (shortcomings) in the scientific literature devoted to the issues of the modeling and optimization of economic systems using the tools of mass service theory. This article presents a critical analysis of approaches for the formulation of provisions on mass service systems in the context of resource management. On the one hand, modern works are characterized by the inclusion of an extensive number of random factors that determine the performance and efficiency of economic systems: the probability of delays and interruptions in mobile networks; the integration of order, inventory, and production management processes; the cost estimation of multi-server system operation; and randomness factors, customer activity, and resource constraints, among others. On the other hand, controversial points are identified. The analytical study carried out allows us to state that the prevailing majority of mass service models applied in relation to economic systems and resource supply optimization are devoted to Markov chain modeling. In terms of the chronology of the problems studied, there is a marked transition from modeling simple systems to complex mass service networks. In addition, we conclude that the complex architecture of modern economic systems opens up a wide research field for finding a methodology for assessing the dependence of the enterprise performance on the effect of optimization provided by using the provisions of mass service theory. This statement can be the basis for future research.

Economic dispatch of community-integrated energy system considering demand-side coordinated response

There are a large number of potential schedulable resources in the integrated energy system of electricity, heat, cold, and gas. However, most of these energy sources are currently operated separately, with low system flexibility, low energy utilization rate, and serious abandonment of wind and solar energy. In order to improve the flexibility of integrated energy systems and the capacity of renewable energy consumption, an economic dispatch of community-integrated energy systems considering demand-side coordinated response is proposed. Firstly, according to various energy characteristics, mathematical models of various energy forms are established, including wind energy, photovoltaic, gas turbine, gas boiler, and other component characteristics modeling. Secondly, an economic optimal scheduling model of community-integrated energy system considering demand side response is established, including the constraints and objective functions of the optimization model, and the optimization model is solved based on the Yalmip toolbox and Cplex solver in Matlab software. Finally, the effectiveness of the proposed strategy is verified by a simulation example.

Структурно-параметрический анализ и меры по развитию внешней торговли Российской Федерации в условиях санкционного давления

The subject of the study is the evolution of the foreign trade of the Russian Federation in the context of changing foreign policy factors. The purpose is to analyze the key parameters of Russia’s foreign trade at the present stage and develop measures to accelerate development with updated trading partners. The article is based on structural parametric analysis and modeling of economic processes and systems. The methods of logical, graphoanalytic, statistical, correlation and comparative analysis are used. A statistical and correlation analysis of the foreign trade activity of the Russian Federation has been carried out. The main reasons for the slowdown and acceleration of the development of foreign trade have been identified. The main export and import goods on which the economic security of the state depends are identified. The measures for the development of the domestic market of the Russian Federation in the context of increasing the country’s export potential are proposed. New key trading partners of the Russian Federation have been identified, as well as measures to accelerate the development of trade with such states. Conclusions. In order to accelerate the development of foreign trade in the Russian Federation, it is necessary to improve the domestic market. The proposed measures will improve the economic situation within the state, which will increase the potential of foreign trade activities.

Digital Transformation of Optimal Decision-making in Economic and Engineering Systems Based on the Theory and Methods of Vector Optimization

Objective: The purpose of the work is to analyze, study the processes of digital transformation and make optimal decisions in economic and engineering systems based on the theories and methods of vector optimization. Methods: Methods for studying the processes of digital transformation of economic and engineering systems are based on the author's theory of vector optimization, which is represented by: axiomatics and optimality principles that show how one solution is better than another. On the basis of the principles of optimality, constructive methods for solving vector problems have been built, firstly, with equivalent criteria, and, secondly, with a given priority of the criterion: https://rdcu.be/bhZ8i (Springer Nature's "Vector optimization with equivalent and priority criteria" is distributed free of charge.) The paper presents that the problem of accepting the optimal process is carried out as a result of the digital transformation of the initial (statistical, experimental) data into vector problems in optimization, which represents a mathematical model of economic and engineering systems. Depending on the number and type of criteria, we solve problems with a vector of criteria, each component of which is directed to the maximum, and with a vector of criteria, each component of which is aimed at a minimum, in aggregate. Results: The result of the study is the practical orientation of digital transformation, which is shown in the computer-aided design of economic and engineering systems based on vector optimization. For this purpose, software for solving vector problems of linear and nonlinear programming has been developed. Linear vector problems are used in economic systems (forecasting, planning). Software for solving vector problems of nonlinear programming are used digital transformation of optimal decision-making in engineering problems. Conclusion: In conclusion, numerical examples in the field of economic systems are presented by the digital transformation of optimal decision-making in the development of the company. When making optimal decisions in engineering systems, the following has been developed: the construction of initial data (technical task) for modeling; transformation of a mathematical model under uncertainty into a model under conditions of certainty; making an optimal decision with equivalent criteria; making the optimal decision with a given priority criterion

ОЦЕНКА ДИФФЕРЕНЦИАЦИИ РЕГИОНОВ АРКТИЧЕСКОЙ ЗОНЫ РФ НА ОСНОВЕ ИНФОРМАЦИОННО-АНАЛИТИЧЕСКИХ ТЕХНОЛОГИЙ

The formation of a single economic space in the Arctic zone of the Russian Federation is considered as the main task, which is the basis for realizing the development goals of the regions of the Russian Arctic. One of the solutions to the problem of creating a common spatially localized territory of the Russian Arctic megaregion, taking into account the significant differentiation of regions according to socio-economic indicators, is to identify tools for smoothing regional disparities. The use of the tested by the authors IRES RAS methodology “Information and analytical technologies for complex verification of the information base of economic and mathematical modeling of spatial economic systems” is proposed as a tool for constructing data sets suitable for full-fledged mathematical research compiled on the basis of collections of the Federal State Statistics Service.

A Sraffian model of Pasinetti's natural economic system

Pasinetti's (1981) natural economic system is a central idea of Pasinetti's structural economic dynamics, which explains various features of a growing economy, focusing on an evolving structure of commodity prices, an evolving structure of production, and the time pass of the wage rate and the rate of profit (Pasinetti, 1981, p.128). It exhibits three core properties: first, the sum of the growth rate of the quantity of labour and the growth rate of demand or the growth rate of labour productivity determines the rate of profit (the natural rate of profit). Second, under a ‘positive’ natural rate of profit, the quantity of labour commanded by a commodity equals the quantity of labour embodied in the commodity (a pure labour theory of value). Finally, equal rewards should be paid for equal amounts of homogenous labour (the basic principle of equal rewards). These core properties were examined, using our Sraffian discrete-time models corresponding to the three cases. The first model explains the simple case of a growing economy with no technical change and an invariant composition of demand. The second model treats the difference between the actual net product and the standard net product, assuming no technical change and an invariant composition of demand. The third model explains the occurrence of technical progress in a growing economy. The validity of three core properties of the natural economic system in Pasinetti (1981) is examined by three Sraffian models.

Exploring the Contributions to Mathematical Economics: A Bibliometric Analysis Using Bibliometrix and VOSviewer

From Cournot, Walras, and Pareto’s research to what followed in the form of marginalist economics, chaos theory, agent-based modeling, game theory, and econophysics, the interpretation and analysis of economic systems have been carried out using a broad range of higher mathematics methods. The evolution of mathematical economics is associated with the most productive and influential authors, sources, and countries, as well as the identification of interactions between the authors and research topics. Bibliometric analysis provides journal-, author-, document-, and country-level metrics. In the present study, a bibliometric overview of mathematical economics came from a screening performed in September 2023, covering the timespan 1898–2023. About 6477 documents on mathematical economics were retrieved and extracted from the Scopus academic database for analysis. The Bibliometrix package in the statistical programming language R was employed to perform a bibliometric analysis of scientific literature and citation data indexed in the Scopus database. VOSviewer (version 1.6.19) was used for the visualization of similarities using several bibliometric techniques, including bibliographic coupling, co-citation, and co-occurrence of keywords. The analysis traced the most influential papers, keywords, countries, and journals among high-quality studies in mathematical economics.

ECONOMIC SECURITY AS A TOOL FOR THE PROTECTION OF NATIONAL INTERESTS

ECONOMIC SECURITY AS A TOOL FOR THE PROTECTION OF NATIONAL INTERESTS

The methodology genesis of system-dynamic modeling and the prospects of its application to solve the corporate change management’s digitalization problems

The paper presents identification of the main directions and conceptual approaches of methodological support for corporate change management digitalization and improvement of organizations. Within the framework of the study, the prospects of applying the methodology of system-dynamic simulation modeling in the conditions of digital transformation of the economy and management are analyzed. The issues of mastering the areas of growth of the organization and carrying out economically justified transformations, implemented including through the investment management strategy, are investigated within the framework of system-dynamic modeling of economic systems proposed by J. Forrester. The use of such modeling has been carried out to improve organizational forms and increase the efficiency of organizations’ management. The article discusses the current problems and key tasks of digitalization of corporate governance using a systematic approach. The tendencies of improving the methodology of system-dynamic simulation modeling are investigated. The development scheme of the system-dynamic modeling’s stages presented in the classical literature on system dynamics is given. Variants of methodology development based on the synthesis of classical approaches with advanced corporate governance practices and current works of foreign, Russian researchers are proposed. Ultimately the synthesis proposed in the paper will make it possible to create models based on the synthesis of methodologies, and most effectively master the growth’s areas of organizations, as well as to carry out economically justified transformations implemented, including through an investment management strategy.

Low-carbon economic dispatch of regional integrated energy system based on carbon-oxygen cycle

In order to solve the contradiction between energy supply and carbon emissions, using P2G to combine oxy-fuel combustion power plant with gas turbines. According to the laws of mass conservation and energy conservation, carbon and oxygen elements are introduced into the model in the form of gases to construct an energy hub model for the carbon oxygen cycle system. To solve the problem of time imbalance between interconnected devices, a flexible operation mode using storage devices as connection hubs is proposed. Based on the constraints of the system’s operating mechanism, study the variation range of the operating range and establish an objective function with the optimal operating cost. Optimize the operation of the combined system, study the change interval of its operation range, and analyze the scheduling model under three different operation models. Low-Carbon economic model of combined system is established in regional integrated energy system. The results show that the basic carbon oxygen cycle model can save 9.14% economic cost and reduce 44.05% carbon emission. The carbon oxygen cycle capacity increasing mode can save 13.05% economic cost and reduce 59.91% carbon emission. Carbon and oxygen circulation system in improving renewable energy consumption and reducing carbon dioxide emissions is verified by an example.

Mechanisms of Post-War Economic Recovery in Ukraine: The Role of the International Community

"The article is devoted to the analysis of possible mechanisms of economic recovery after the conflict in Ukraine, as well as the role of the international community in this process. The article examines financial and economic instruments that can be used to support economic recovery in Ukraine after the war international financial aid and investments. The authors claim that the effective use of these tools can contribute to a rapid and sustainable economic recovery in Ukraine. The article presented the methodology and results of the research of literary sources with the aim of substantiating and describing the management models of economic systems in the post-war period, considering the requirements for reconstruction. An analysis of the world experience of post-war reconstruction was carried out and differences between the situation in Ukraine and similar processes in Europe were determined. The advantages and disadvantages of management models of economic systems were studied, and the grouping of КРІ factors was carried out. The methods of economic and mathematical modeling were used to form the information and analytical support of the models. The methodology for calculating the integral coefficient of the assessment of the effectiveness of the economic system in the post-war period, which is formed by structuring the basic coefficients and weighting coefficients of the КРІ factors, has been developed. The proposed evaluation system is proposed as hypothetically possible for practical application, and to confirm the relevance and adequacy of the model and methodology, the calculation of the integral coefficient of evaluation of the effectiveness of the economic system in the post-war period by the regions of Ukraine was carried out. The results of the research were used to form a geographical map of the zoning of the regions of Ukraine that were most affected by the war and need support, investment, and recovery mechanisms. The study confirmed that the success of post-war reconstruction depends on the efficiency of the economic system and its ability to attract investment to create the conditions for development. The result of the research is the development of methodological recommendations for the optimization of economic activity management mechanisms during post-war recovery, which can be applied in КРІs is periods and adapted to a specific situation."