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In view of the interconnected characteristics of various elements presented in financial complexity, based on complex network theory, Bayesian learning theory and social learning theory, this study systematically describes the behavioral decision-making mechanism of individual investors and institutional investors from the perspective of network learning. In addition, this study builds an evolutionary model of investor behavior based on Bayesian learning strategies. According to the results of the horizontal and vertical bidirectional studies simulated by experiments, we can see that the method proposed in this study has a certain effect on the evaluation and decision support of stock market investment.<\/jats:p>","DOI":"10.3233\/jifs-189242","type":"journal-article","created":{"date-parts":[[2020,9,8]],"date-time":"2020-09-08T10:07:31Z","timestamp":1599559651000},"page":"2481-2491","source":"Crossref","is-referenced-by-count":5,"title":["Simulation of stock market investor behavior based on bayesian learning and complex network"],"prefix":"10.1177","volume":"40","author":[{"given":"Yang","family":"Qianyun","sequence":"first","affiliation":[{"name":"Hunan International Economics University, Changsha, Hunan, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wang","family":"Xiaoyan","sequence":"additional","affiliation":[{"name":"Party School of the Hunan Provincial Committee of C.P.C, Hunan Academy of Governance, Changsha, Hunan, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","reference":[{"issue":"2","key":"10.3233\/JIFS-189242_ref1","doi-asserted-by":"crossref","first-page":"1095","DOI":"10.1007\/s11135-019-00843-3","article-title":"Retraction Note: Prediction of economic growth by extreme learning approach based on science and technology transfer","volume":"53","author":"Karaniki\u0107","year":"2019","journal-title":"Quality & Quantity"},{"issue":"7","key":"10.3233\/JIFS-189242_ref3","doi-asserted-by":"crossref","first-page":"A560","DOI":"10.1016\/j.jval.2014.08.1850","article-title":"Health Economic Evaluation of Diagnostic and Prognostic Prediction Models. 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