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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">cheb</journal-id><journal-title-group><journal-title xml:lang="ru">Чебышевский сборник</journal-title><trans-title-group xml:lang="en"><trans-title>Chebyshevskii Sbornik</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2226-8383</issn><publisher><publisher-name>Tula State Lev Tolstoy  Pedagogical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.22405/2226-8383-2022-23-1-118-129</article-id><article-id custom-type="elpub" pub-id-type="custom">cheb-1237</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Article</subject></subj-group></article-categories><title-group><article-title>Функция потребления в модели экономического роста Рамсея — Касса — Купманса в случае стационарности функции сбережения</article-title><trans-title-group xml:lang="en"><trans-title>The consumption function in the Ramsey–Kass–Koopmans economic growth model in the case of a stationary saving function</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Козко</surname><given-names>Артем Иванович</given-names></name><name name-style="western" xml:lang="en"><surname>Kozko</surname><given-names>Artem Ivanovich</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат физико-математических наук</p></bio><bio xml:lang="en"><p>candidate of physical and mathematical sciences</p></bio><email xlink:type="simple">prozerpi@yahoo.co.uk</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лужина</surname><given-names>Любовь Михайловна</given-names></name><name name-style="western" xml:lang="en"><surname>Luzhina</surname><given-names>Lyubov Mihailovna</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат физико-математических наук</p></bio><bio xml:lang="en"><p>candidate of physical and mathematical sciences</p></bio><email xlink:type="simple">lluzhina@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Попов</surname><given-names>Антон Юрьевич</given-names></name><name name-style="western" xml:lang="en"><surname>Popov</surname><given-names>Anton Yurievich</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор физико-математических наук</p></bio><bio xml:lang="en"><p>doctor of physical and mathematical sciences</p></bio><email xlink:type="simple">prozerpi@yahoo.co.uk</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чирский</surname><given-names>Владимир Григорьевич</given-names></name><name name-style="western" xml:lang="en"><surname>Chirskii</surname><given-names>Vladimir Grirorevich</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор физико-математических наук</p></bio><bio xml:lang="en"><p>doctor of physical and mathematical sciences</p></bio><email xlink:type="simple">vgchirskii@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Московский государственный университет им. М. В. Ломоносова; Российская академия народного хозяйства и государственной службы при Президенте Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Lomonosov Moscow State University; Russian Presidential Academy of National Economy and Public Administration</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Московский государственный университет им. М. В. Ломоносова; Московский центр фундаментальной и прикладной математики; Российская академия народного хозяйства и государственной службы при Президенте Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Lomonosov Moscow State University; Moscow center of fundamental and applied mathematics; Russian Presidential Academy of National Economy and Public Administration</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>06</day><month>06</month><year>2022</year></pub-date><volume>23</volume><issue>1</issue><fpage>118</fpage><lpage>129</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Козко А.И., Лужина Л.М., Попов А.Ю., Чирский В.Г., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Козко А.И., Лужина Л.М., Попов А.Ю., Чирский В.Г.</copyright-holder><copyright-holder xml:lang="en">Kozko A.I., Luzhina L.M., Popov A.Y., Chirskii V.G.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.chebsbornik.ru/jour/article/view/1237">https://www.chebsbornik.ru/jour/article/view/1237</self-uri><abstract><p>В статье исследуется зависимость функций капитала (ресурса) и потребления в экономической модели Рамсея –Касса –Купманса в случае, когда сбережение является тождественной постоянной. В сделанных предположениях система дифференциальных уравнений, описывающая эволюцию рассматриваемой экономической модели, решена в квадратурах. На основании полученного решения найдены оценки сверху функции потребления.</p></abstract><trans-abstract xml:lang="en"><p>We study the dependence of the functions of capital (resource) and consumption in the Ramsey-Kass-Koopmans economic model in the case when saving is an identical constant.The system of differential equations describing the evolution of the economic model under consideration is solved in quadratures under the assumptions made. Upper estimates of the consumption function are found based on the obtained solution.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Математическая модель</kwd><kwd>задача Рамсея — Касса — Купманса</kwd><kwd>конку- рентные домохозяйства</kwd><kwd>функция капитала</kwd><kwd>потребления.</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Mathematical model</kwd><kwd>Ramsey–Kass–Koopmans problem</kwd><kwd>competitive households</kwd><kwd>function of capital</kwd><kwd>consumption.</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа первого автора выполнена при поддержке РФФИ (проект 19-01-00332-a).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Acemoglu Daron. The Neoclassical Growth Model. Introduction to Modern Economic Growth // Princeton: Princeton University Press. 2009. pp. 287–326. 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