Dynamics of stability of the world economic system

The current global economic crisis has actualized the problem of studying non-equilibrium processes in the economy. To approach the problem, a discrete dynamic model (DDM) was developed that describes the dynamics of the rate of change in the global GDP for the period 1961-2021. This paper publishes...

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Main Authors: Anatoly A. Kilyachkov, Larisa A. Chaldaeva, Nikolai A. Kilyachkov
Format: Article
Language:English
Published: AIMS Press 2023-03-01
Series:Data Science in Finance and Economics
Subjects:
Online Access:https://www.aimspress.com/article/doi/10.3934/DSFE.2023006?viewType=HTML
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author Anatoly A. Kilyachkov
Larisa A. Chaldaeva
Nikolai A. Kilyachkov
author_facet Anatoly A. Kilyachkov
Larisa A. Chaldaeva
Nikolai A. Kilyachkov
author_sort Anatoly A. Kilyachkov
collection DOAJ
description The current global economic crisis has actualized the problem of studying non-equilibrium processes in the economy. To approach the problem, a discrete dynamic model (DDM) was developed that describes the dynamics of the rate of change in the global GDP for the period 1961-2021. This paper publishes the results of studies of two types of stability. The first is connected with the global economic system stability, which can be described by a DDM in different time periods. The second studies sensitivity of the DDM to the annual GDP growth values that were used to construct it (sensitivity analysis). The conducted research depicted the various periods of development of the global economic system, characterized by varying degrees of stability. The DDM determined that during periods of crises, the stability of the global economic system decreases. Our studies have shown that at present the world economic system is on the verge of a complete loss of stability. To assess the sensitivity of the DDM to the input data, a sensitivity indicator was introduced. It was found that the DDM is insensitive to input data during periods of crisis, i.e., the results obtained are reliable. In turn, periods of stable development of the global economic system are characterized by less reliability in the DDM results.
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spelling doaj.art-eb23b4d67bba43d6b8d2d425a2c98abd2023-05-15T01:23:25ZengAIMS PressData Science in Finance and Economics2769-21402023-03-013110111110.3934/DSFE.2023006Dynamics of stability of the world economic systemAnatoly A. Kilyachkov 0 Larisa A. Chaldaeva1Nikolai A. Kilyachkov21. Security Problems Studies Centre of the Russian Academy of Science, 21b, st. Garibaldi, 117335, Moscow, Russia2. Independent expert, Moscow, Russia3. JSC QIWI, Moscow, RussiaThe current global economic crisis has actualized the problem of studying non-equilibrium processes in the economy. To approach the problem, a discrete dynamic model (DDM) was developed that describes the dynamics of the rate of change in the global GDP for the period 1961-2021. This paper publishes the results of studies of two types of stability. The first is connected with the global economic system stability, which can be described by a DDM in different time periods. The second studies sensitivity of the DDM to the annual GDP growth values that were used to construct it (sensitivity analysis). The conducted research depicted the various periods of development of the global economic system, characterized by varying degrees of stability. The DDM determined that during periods of crises, the stability of the global economic system decreases. Our studies have shown that at present the world economic system is on the verge of a complete loss of stability. To assess the sensitivity of the DDM to the input data, a sensitivity indicator was introduced. It was found that the DDM is insensitive to input data during periods of crisis, i.e., the results obtained are reliable. In turn, periods of stable development of the global economic system are characterized by less reliability in the DDM results.https://www.aimspress.com/article/doi/10.3934/DSFE.2023006?viewType=HTMLdiscrete dynamic modelworld gdp growth ratestability of the global economic systemsensitivity to variability of initial data
spellingShingle Anatoly A. Kilyachkov
Larisa A. Chaldaeva
Nikolai A. Kilyachkov
Dynamics of stability of the world economic system
Data Science in Finance and Economics
discrete dynamic model
world gdp growth rate
stability of the global economic system
sensitivity to variability of initial data
title Dynamics of stability of the world economic system
title_full Dynamics of stability of the world economic system
title_fullStr Dynamics of stability of the world economic system
title_full_unstemmed Dynamics of stability of the world economic system
title_short Dynamics of stability of the world economic system
title_sort dynamics of stability of the world economic system
topic discrete dynamic model
world gdp growth rate
stability of the global economic system
sensitivity to variability of initial data
url https://www.aimspress.com/article/doi/10.3934/DSFE.2023006?viewType=HTML
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