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<!DOCTYPE article PUBLIC "-//NLM//DTD JATS (Z39.96) Journal Archiving and Interchange DTD v1.4 20241031//EN" "https://jats.nlm.nih.gov/archiving/1.4/JATS-archive-oasis-article1-4-mathml3.dtd">
<article xmlns:ali="http://www.niso.org/schemas/ali/1.0/" 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" article-type="research-article" xml:lang="ru"><front><journal-meta><issn publication-format="print">2072-6414</issn><issn publication-format="electronic">2411-1406</issn></journal-meta><article-meta><article-id pub-id-type="doi">10.17059/ekon.reg.2026-1-15</article-id><title-group xml:lang="en"><article-title>A GVAR Model with Different Weights for Analysing the Financial Channel  of Real Shock Propagation</article-title></title-group><title-group xml:lang="ru"><article-title>GVAR-модель с различными весами для анализа финансового канала распространения реальных шоков между странами и регионами</article-title></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2945-5271</contrib-id><name-alternatives><name xml:lang="en"><surname>Zubarev </surname><given-names>Andrey V. </given-names></name><name xml:lang="ru"><surname>Зубарев </surname><given-names>Андрей Витальевич </given-names></name></name-alternatives><email>zubarev@ranepa.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9922-8595</contrib-id><name-alternatives><name xml:lang="en"><surname>Kirillova </surname><given-names>Maria A. </given-names></name><name xml:lang="ru"><surname>Кириллова</surname><given-names>Мария Андреевна </given-names></name></name-alternatives><email>kirillova-ma@ranepa.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Russian Presidential Academy of National Economy and Public Administration (RANEPA)</institution></aff><aff><institution xml:lang="ru">Российская академия народного хозяйства и государственной службы при Президенте Российской Федерации</institution></aff></aff-alternatives><pub-date date-type="pub" publication-format="electronic" iso-8601-date="2026-03-23"><day>23</day><month>03</month><year>2026</year></pub-date><pub-date date-type="collection" iso-8601-date="2026-03-23"><day>23</day><month>03</month><year>2026</year></pub-date><volume>22</volume><issue>1</issue><fpage>205</fpage><lpage>219</lpage><history><date date-type="received" iso-8601-date="2025-08-25"><day>25</day><month>08</month><year>2025</year></date><date date-type="accepted" iso-8601-date="2025-12-25"><day>25</day><month>12</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright © 2026 Andrey V.  Zubarev, Maria A. Kirillova</copyright-statement><copyright-statement xml:lang="ru">Copyright © 2026 Андрей Витальевич Зубарев, Мария Андреевна Кириллова</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="en">Andrey V.  Zubarev, Maria A. Kirillova</copyright-holder><copyright-holder xml:lang="ru">Андрей Витальевич Зубарев, Мария Андреевна Кириллова</copyright-holder><ali:free_to_read/><license license-type="open-access" xlink:href="https://creativecommons.org/licenses/by/4.0/"><license-p>CC BY 4.0</license-p></license></permissions><self-uri content-type="html" mimetype="text/html" xlink:title="article webpage" xlink:href="https://www.economyofregions.org/ojs/index.php/er/article/view/1353">https://www.economyofregions.org/ojs/index.php/er/article/view/1353</self-uri><self-uri content-type="pdf" mimetype="application/pdf" xlink:title="article pdf" xlink:href="https://www.economyofregions.org/ojs/index.php/er/article/download/1353/783">https://www.economyofregions.org/ojs/index.php/er/article/download/1353/783</self-uri><abstract xml:lang="en"><p>External shocks affect economies through a variety of transmission channels. A widely used approach for assessing macroeconomic responses to such shocks is the global vector autoregressive (GVAR) model. In most applications, dimensionality is reduced through aggregation techniques, typically relying on foreign trade weights. In some cases, capital flows are used instead to capture financial linkages. This paper develops a GVAR model that jointly incorporates real and financial sectors by employing two types of weights: those based on foreign trade and those based on foreign direct investment (FDI) flows. We compare the results from this extended specification with those from a baseline model that includes only the real sector and trade-based weights. Impulse response functions of key macroeconomic indicators to a China output shock and an oil price shock are analysed. The results show that incorporating the financial sector and FDI-based weights leads to stronger and more pronounced responses in the short to medium term. The model produces dome-shaped impulse responses, consistent with findings in the empirical literature. However, differences between the two model specifications diminish over the long run, suggesting that the financial channel primarily influences short- and medium-term adjustment dynamics.</p></abstract><abstract xml:lang="ru"><p>При анализе внешних шоков, влияющих на российскую экономику, требуется учёт большого количества каналов связи, по которым данные шоки могут передаваться. Одним из подходов для оценивания реакции макроэкономических показателей на внешние шоки является модель глобальной векторной авторегрессии (GVAR). В большинстве работ с использованием моделей GVAR авторы прибегают к стандартному способу снижения размерности, одновременно являющемуся способом моделирования канала передачи шоков: вычислению весов на основе объёмов внешней торговли. Иногда вместо торговли используются потоки капитала между странами и регионами для изучения распространения финансовых шоков. Мы предлагаем рассмотреть модель, учитывающую и реальный, и финансовый сектор. При этом в нашей модели используются два вида весов: на основе внешней торговли и на основе потоков прямых иностранных инвестиций. Мы сравниваем результаты оценивания модели с более простым вариантом, учитывающим только реальный сектор и содержащий только торговые веса. Рассматриваются импульсные отклики макроэкономических показателей на шок выпуска в Китае и шок нефтяных цен. Одним из результатов является то, что использование финансового сектора приводит к получению заметной реакции показателей на оба шока в течение первых четырёх кварталов. В нашей модели получена куполообразная реакция в ответ на шоки, которая часто описывается в эмпирической литературе. Стандартные же модели GVAR демонстрируют более персистентную реакцию. Вторым результатом является то, что после первого года с момента возникновения шока разница между откликами основной и более простой моделей перестаёт быть значимой. Таким образом, можно предположить, что добавленный нами финансовый канал связи вносит коррективы в краткосрочном и среднесрочном периодах. Данные результаты могут быть полезны для уточнения сценарных прогнозов развития российской экономики под воздействием внешних шоков.</p></abstract><kwd-group xml:lang="en"><kwd>global vector autoregression</kwd><kwd>regional trade</kwd><kwd>world trade</kwd><kwd>impulse response function</kwd><kwd>GVAR</kwd><kwd>oil prices</kwd><kwd>Russian GDP</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>глобальная векторная авторегрессия</kwd><kwd>региональная торговля</kwd><kwd>мировая</kwd></kwd-group></article-meta></front><body/><back><ref-list><ref id="en-ref1"><label>1</label><mixed-citation xml:lang="en">Altig, D., Christiano, L. J., Eichenbaum, M., &amp; Lindé, J. (2011). Firm-Specific Capital, Nominal Rigidities and the Business Cycle. 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