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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">business</journal-id><journal-title-group><journal-title xml:lang="ru">Путеводитель предпринимателя</journal-title><trans-title-group xml:lang="en"><trans-title>Entrepreneur’s Guide</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2073-9885</issn><issn pub-type="epub">2687-136X</issn><publisher><publisher-name>JSC “Publishing Agency “Science and Education”</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">business-181</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></article-categories><title-group><article-title>Поведенческие финансы и неоклассическая экономическая теория. Основные различия и точки соприкосновения</article-title><trans-title-group xml:lang="en"><trans-title></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>Русаков</surname><given-names>В. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Rusakov</surname><given-names>V. M.</given-names></name></name-alternatives><email xlink:type="simple">VladimirRusakoff@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Российский экономический университет им. Г.В. Плеханова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Plekhanov Russian University of Economics</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>28</day><month>01</month><year>2020</year></pub-date><volume>0</volume><issue>38</issue><fpage>135</fpage><lpage>145</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Русаков В.М., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Русаков В.М.</copyright-holder><copyright-holder xml:lang="en">Rusakov V.M.</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.pp-mag.ru/jour/article/view/181">https://www.pp-mag.ru/jour/article/view/181</self-uri><abstract><p>В данной статье показываются основные концепции, которые связаны с неоклассической экономической теорией и поведенческими финансами, даются их определения, а также показываются основные различия этих двух теорий. Основополагающее различие между ними связано с отношением к существованию рациональности на финансовых рынках - классическая теория допускает возможность того, что инвесторы, а, следовательно, и рынок в целом могут быть рациональны, в то время как поведенческие финансы находят множество эмпирических доказательств того, что люди часто ведут себя нерационально, а значит, и на реальных финансовых рынках могут существовать неэффективности, которые выходят за рамки классических теоретических моделей.</p></abstract><trans-abstract xml:lang="en"><p>This article deals with basic concepts of neoclassical economic theory and behavioral finance and gives them definitions. Also it shows main differences between these two theories. The fundamental difference between them connects with relation of the existence of financial markets rationality - the classical theory allows that investors and the whole market can be rational, but behavioral finance finds a lot of empirical evidence that people often behave irrational. And therefore there are inefficiencies in real financial markets that don’t correspond to formal theoretical models.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>рациональность</kwd><kwd>иррациональность</kwd><kwd>рациональный инвестор</kwd><kwd>современная портфельная теория</kwd><kwd>эффективность рынка</kwd><kwd>гипотеза эффективного рынка</kwd><kwd>поведенческие финансы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>rationality</kwd><kwd>irrationality</kwd><kwd>rational investor</kwd><kwd>modern portfolio theory</kwd><kwd>market efficiency</kwd><kwd>efficient market hypothesis</kwd><kwd>behavioral finance</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Акерлоф Дж., Шиллер Р. «Spiritus Animalis. 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