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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">ecpolicy</journal-id><journal-title-group><journal-title xml:lang="ru">Экономическая политика</journal-title><trans-title-group xml:lang="en"><trans-title>Economic Policy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1994-5124</issn><issn pub-type="epub">2411-2658</issn><publisher><publisher-name>Economic Policy</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18288/1994-5124-2025-2-34-55</article-id><article-id custom-type="elpub" pub-id-type="custom">ecpolicy-307</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>Макроэкономика</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Macroeconomics</subject></subj-group></article-categories><title-group><article-title>Прогнозирование инфляции с использованием высокочастотных данных в моделях временных рядов</article-title><trans-title-group xml:lang="en"><trans-title>Inflation Forecasting in Time Series Models Using High Frequency Data</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7264-5399</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гребенкина</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Grebenkina</surname><given-names>A. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алина Михайловна Гребенкина, Кандидат экономических наук, научный сотрудник Центра изучения проблем центральных банков</p><p>119571, Москва, пр. Вернадского, 84 </p></bio><bio xml:lang="en"><p>Alina M. Grebenkina, Cand. Sci. (Econ.), Researcher </p><p>84, Vernadskogo pr., Moscow, 119571 </p></bio><email xlink:type="simple">grebenkina-am@ranepa.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7494-2728</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Синельникова-Мурылева</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Sinelnikova-Muryleva</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Елена Владимировна Синельникова-Мурылева, Кандидат экономических наук, ведущий научный сотрудник Центра изучения проблем центральных банков</p><p>119571, Москва, пр. Вернадского, 84 </p></bio><bio xml:lang="en"><p>Elena V. Sinelnikova-Muryleva, Cand. Sci. (Econ.), Lead Researcher </p><p>84, Vernadskogo pr., Moscow, 119571 </p></bio><email xlink:type="simple">e.sinelnikova@ranepa.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Российская академия народного хозяйства и государственной службы при Президенте Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>RANEPA</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>07</day><month>05</month><year>2025</year></pub-date><volume>20</volume><issue>2</issue><fpage>34</fpage><lpage>55</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гребенкина А.М., Синельникова-Мурылева Е.В., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Гребенкина А.М., Синельникова-Мурылева Е.В.</copyright-holder><copyright-holder xml:lang="en">Grebenkina A.M., Sinelnikova-Muryleva E.V.</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.ecpolicy.ru/jour/article/view/307">https://www.ecpolicy.ru/jour/article/view/307</self-uri><abstract><p>В статье исследуется возможность улучшения краткосрочного прогноза инфляции при использовании высокочастотных данных о потребительских ценах в моделях временных рядов. Предпринята попытка повышения точности прогноза инфляции за счет увеличения количества наблюдений, доступных на более высокой частоте. В теоретической части работы рассмотрены преимущества и недостатки использования высокочастотных данных о ценах в моделях инфляции ADL, VAR и MIDAS, в том числе единой и смешанной частоты данных. В эмпирической части исследования анализируются последствия включения в модели прогноза индекса потребительных цен данных онлайн-индекса цен, доступных с ежедневной либо недельной частотой в 2020–2023 годах. Прогноз динамики потребительских цен, полученный в моделях VAR, MFVAR и MIDAS, включающих данные о поведении высокочастотного регрессора, сравнивается с прогнозом, полученным в одномерных бенчмарк-моделях. Вывод о различии качества краткосрочных прогнозов динамики потребительских цен в полученных моделях делается на основании различий показателей ошибки прогноза моделей. Результаты исследования свидетельствуют об улучшении в некоторых случаях качества краткосрочного вневыборочного прогноза динамики потребительских цен при учете данных об онлайн-ценах (а именно в классе многомерных моделей временных рядов при включении в модель данных на более высокой частоте). Однако с расширением горизонта прогноза ценность включения таких данных снижается. Результаты указывают на важность включения данных об онлайн-ценах в модели инфляции в дезагрегированном виде при прогнозировании ценовых тенденций ближайшего будущего.</p></abstract><trans-abstract xml:lang="en"><p>The article examines ways to improve inflation forecasting by using high frequency consumer price data in time series models. The purpose of increasing the number of observations available at a higher frequency is to increase the accuracy of inflation forecasts. The theoretical part of the paper considers the advantages and disadvantages of using high frequency price data in ADL, VAR and MIDAS inflation models with both single and mixed data frequency. The empirical section traces out the effects of including an online price index available at a daily or weekly frequency during the period from 2020 to 2023 in the forecast model for the consumer price index. The article compares the forecasts of consumer prices by applying the VAR, MFVAR and MIDAS models which include data from a high frequency regressor with the forecasts obtained through auto-ARIMA models. The conclusion about the difference in the quality of the short-term forecast of consumer price dynamics in these models is based on the difference of the forecast error indicator of the models. The results provide some evidence that short-term out-of-sample CPI dynamic forecasting becomes more accurate when online price data is included (namely in the class of multidimensional time series models when data is included in the model at a higher frequency). However, the advantage derived from including high frequency online price data in models decreases as the forecast horizon is extended. The results show the importance of including online price data in inflation models in a disaggregated form while forecasting price trends of the nearest future.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>инфляция</kwd><kwd>прогноз</kwd><kwd>ошибка прогноза</kwd><kwd>анализ данных смешанной частоты</kwd></kwd-group><kwd-group xml:lang="en"><kwd>inflation</kwd><kwd>forecast</kwd><kwd>forecast error</kwd><kwd>mixed frequency data models</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Данная статья подготовлена в рамках государственного задания РАНХиГС.</funding-statement><funding-statement xml:lang="en">The article was written on the basis of the RANEPA state assignment research programme.</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">Божечкова А. В., Евсеев А. С. 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