{"id":2341,"date":"2020-07-17T13:35:39","date_gmt":"2020-07-17T13:35:39","guid":{"rendered":"https:\/\/revista.isfin.ro\/?p=2341"},"modified":"2020-07-30T14:55:07","modified_gmt":"2020-07-30T14:55:07","slug":"analiza-comparativa-a-normalitatii-distributiilor-randamentelor-indicilor-bet-si-sp500-roxana-ioan","status":"publish","type":"post","link":"https:\/\/revista.isfin.ro\/en\/2020\/07\/17\/analiza-comparativa-a-normalitatii-distributiilor-randamentelor-indicilor-bet-si-sp500-roxana-ioan\/","title":{"rendered":"Analiza comparativ\u0103 a normalit\u0103\u021bii distribu\u021biilor randamentelor indicilor BET \u0219i S&#038;P500  &#8211; Roxana Ioan"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"2341\" class=\"elementor elementor-2341\" data-elementor-settings=\"[]\">\n\t\t\t\t\t\t<div class=\"elementor-inner\">\n\t\t\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-76431c91 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"76431c91\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-58fe5857\" data-id=\"58fe5857\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-21c78749 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"21c78749\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-19fdffab\" data-id=\"19fdffab\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4e2ab08 elementor-widget elementor-widget-text-editor\" data-id=\"4e2ab08\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p>\u00a0Author: Roxana Ioan<br \/>\u00a0Vol. 5 \u2022 No. 8 \u2022 May 2020<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-38d3c1fe\" data-id=\"38d3c1fe\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-10a015c0 elementor-position-right elementor-view-default elementor-vertical-align-top elementor-widget elementor-widget-icon-box\" data-id=\"10a015c0\" data-element_type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<a class=\"elementor-icon elementor-animation-\" href=\"https:\/\/revista.isfin.ro\/wp-content\/uploads\/2020\/07\/Abstract-Ioan-Roxana-Analiza-Comparativa-NR8.pdf\" target=\"_blank\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-arrow-down\"><\/i>\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\t\t\t\t<h6 class=\"elementor-icon-box-title\">\n\t\t\t\t\t<a href=\"https:\/\/revista.isfin.ro\/wp-content\/uploads\/2020\/07\/Abstract-Ioan-Roxana-Analiza-Comparativa-NR8.pdf\" target=\"_blank\" >\n\t\t\t\t\t\tView Abstract PDF\t\t\t\t\t<\/a>\n\t\t\t\t<\/h6>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3e262cf elementor-position-right elementor-view-default elementor-vertical-align-top elementor-widget elementor-widget-icon-box\" data-id=\"3e262cf\" data-element_type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<a class=\"elementor-icon elementor-animation-\" href=\"https:\/\/revista.isfin.ro\/wp-content\/uploads\/2020\/08\/Ioan-Roxana-engleza-art-Teo.pdf\" target=\"_blank\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-arrow-down\"><\/i>\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\t\t\t\t<h6 class=\"elementor-icon-box-title\">\n\t\t\t\t\t<a href=\"https:\/\/revista.isfin.ro\/wp-content\/uploads\/2020\/08\/Ioan-Roxana-engleza-art-Teo.pdf\" target=\"_blank\" >\n\t\t\t\t\t\tView Article PDF\t\t\t\t\t<\/a>\n\t\t\t\t<\/h6>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-7503d033 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"7503d033\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4f8e620f elementor-widget elementor-widget-text-editor\" data-id=\"4f8e620f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p><strong>Abstract<\/strong><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d4b05ff elementor-widget elementor-widget-text-editor\" data-id=\"d4b05ff\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p>Currently, worldwide capital markets dispose of huge capitalizations, leading to extremely\nhigh investor exposure. At the same time, the turbulence currently occurring within the\ncapital markets determines the existence of particularly high investment risks. Also, the\nhigh volatility of the periods characterized by economic instability determines pronounced\nasymmetries regarding the distributions of daily returns. The main methods of capital\nmarket risk estimation are based on the assumption of normality of daily returns\ndistributions. But, in recent years, research has revealed that returns no longer display\ncharacteristics of normal distributions, being rather close to other families of distributions\n(asymmetric, exponential). The paper aims to test the normality of daily returns in the light\nof the latest developments within the capital market, currently dominated by unpredictable\nevolutions and a strong downward trend in the current economic context, caused by the\nCovid-19 pandemic. We also aim to build an indicator able to highlight those moments that\nare close to normality and efficiency, and afterwards, study whether or not the proposed\nindicator can be used as a predictor for extreme events.<\/p><p><strong>This work was cofinanced from the European Social Fund through Operational\nProgramme Human Capital 2014-2020, project number POCU\/380\/6\/13\/125015\n\u201dDevelopment of entrepreneurial skills for doctoral students and postdoctoral\nresearchers in the field of economic sciences\u201d.<\/strong><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4e6e9664 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"4e6e9664\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ade0e81 elementor-widget elementor-widget-text-editor\" data-id=\"ade0e81\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p><strong>Keywords<\/strong>: structural breaks, normality tests, Hurst exponent, normality \u2013 efficiency\nindicator, asymmetry<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-44b9349b elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"44b9349b\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7833d540 elementor-widget elementor-widget-text-editor\" data-id=\"7833d540\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p><strong>JEL classification<\/strong>: C46, G14<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6fe4af4b elementor-widget elementor-widget-eael-creative-button\" data-id=\"6fe4af4b\" data-element_type=\"widget\" data-widget_type=\"eael-creative-button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t        <div class=\"eael-creative-button-wrapper\">\n\n            <a class=\"eael-creative-button eael-creative-button--default\" href=\"https:\/\/revista.isfin.ro\/en\/\" data-text=\"\">\n\n                <div class=\"creative-button-inner\">\n\n                    \n                    <span class=\"cretive-button-text\"> BACK<\/span>\n\n                                    <\/div>\n            <\/a>\n        <\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>\u00a0Autor: Roxana Ioan\u00a0Vol. 5 \u2022 Nr. 8 \u2022 Mai 2020 Vizualizare Abstract PDF Vizualizare Articol PDF Abstract \u00cen prezent, pie\u021bele de capital la nivel mondial prezint\u0103 capitaliz\u0103ri imense, fapt care conduce c\u0103tre o expunere extrem de ridicat\u0103 a investitorilor. \u00cen acela\u0219i timp, turbulen\u021bele manifestate \u00een interiorul pie\u021belor de capital \u00een prezent, determin\u0103 existen\u021ba unor riscuri &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/revista.isfin.ro\/en\/2020\/07\/17\/analiza-comparativa-a-normalitatii-distributiilor-randamentelor-indicilor-bet-si-sp500-roxana-ioan\/\"> <span class=\"screen-reader-text\">Analiza comparativ\u0103 a normalit\u0103\u021bii distribu\u021biilor randamentelor indicilor BET \u0219i S&#038;P500  &#8211; Roxana Ioan<\/span> Read More &raquo;<\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[160],"tags":[],"yoast_head":"<title>Analiza comparativ\u0103 a normalit\u0103\u021bii distribu\u021biilor randamentelor indicilor BET \u0219i S&amp;P500 - Roxana Ioan - Revista de Studii Financiare<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/revista.isfin.ro\/en\/2020\/07\/17\/analiza-comparativa-a-normalitatii-distributiilor-randamentelor-indicilor-bet-si-sp500-roxana-ioan\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Analiza comparativ\u0103 a normalit\u0103\u021bii distribu\u021biilor randamentelor indicilor BET \u0219i S&amp;P500 - Roxana Ioan - Revista de Studii Financiare\" \/>\n<meta property=\"og:description\" content=\"\u00a0Autor: Roxana Ioan\u00a0Vol. 5 \u2022 Nr. 8 \u2022 Mai 2020 Vizualizare Abstract PDF Vizualizare Articol PDF Abstract \u00cen prezent, pie\u021bele de capital la nivel mondial prezint\u0103 capitaliz\u0103ri imense, fapt care conduce c\u0103tre o expunere extrem de ridicat\u0103 a investitorilor. \u00cen acela\u0219i timp, turbulen\u021bele manifestate \u00een interiorul pie\u021belor de capital \u00een prezent, determin\u0103 existen\u021ba unor riscuri &hellip; 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