{"created":"2022-01-28T04:38:26.158414+00:00","id":2007958,"links":{},"metadata":{"_buckets":{"deposit":"ce4c43dd-88b8-4063-8bb5-41608f47b7c8"},"_deposit":{"id":"2007958","owner":"1","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"2007958"},"status":"published"},"_oai":{"id":"oai:u-ryukyu.repo.nii.ac.jp:02007958","sets":["1642837622505:1642837818741:1642837848756","1642838403551:1642838405494"]},"author_link":[],"item_1617186331708":{"attribute_name":"Title","attribute_value_mlt":[{"subitem_title":"イベント情報としての株式分割 : 株式会社サンエーを事例にして","subitem_title_language":"ja"},{"subitem_title":"Stock Splits As An Event-Study Analysis : In Case of San-A Co.,LTD","subitem_title_language":"en"}]},"item_1617186419668":{"attribute_name":"Creator","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"桑原, 和典","creatorNameLang":"ja"}]},{"creatorNames":[{"creatorName":"Kuwahara, Kazunori","creatorNameLang":"en"}]}]},"item_1617186476635":{"attribute_name":"Access Rights","attribute_value_mlt":[{"subitem_access_right":"open access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_abf2"}]},"item_1617186609386":{"attribute_name":"Subject","attribute_value_mlt":[{"subitem_subject":"株式分割","subitem_subject_language":"ja","subitem_subject_scheme":"Other"},{"subitem_subject":"通常型分割","subitem_subject_language":"ja","subitem_subject_scheme":"Other"},{"subitem_subject":"効率的市場仮説","subitem_subject_language":"ja","subitem_subject_scheme":"Other"},{"subitem_subject":"セミストロング・フォーム","subitem_subject_language":"ja","subitem_subject_scheme":"Other"},{"subitem_subject":"流動性仮説","subitem_subject_language":"ja","subitem_subject_scheme":"Other"},{"subitem_subject":"売買回転率","subitem_subject_language":"ja","subitem_subject_scheme":"Other"}]},"item_1617186626617":{"attribute_name":"Description","attribute_value_mlt":[{"subitem_description":"沖縄県を中心に小売業を展開する株式会社サンエー(東証一部)が2013年8月28日に1株を2株に分割する株式分割を実施した結果，公告日前3ヶ月の平均値と分割日後3ヶ月の平均値を比較すると売買回転率は1.19倍に拡大し，株価は分割調整後比較で12.32％上昇したのである。このパズルを理論的に説明するために，本稿では，2008年から2013年に株式分割を実施した企業753社について，流動性仮説の視点から株式分割を検証している。効率的資本市場において株式分割を実施しても，株式時価総額は一定のままであり，株式分割は分割後調整株価に対して独立であるが，現実的市場においては，分割調整後株価が上昇するというアノマリーが生じる場合が散見される。その株価上昇要因の1つに株式の流動性増大が寄与していると捉え，本稿では，株式分割公告日前3ヶ月間と公告日から株式分割実施日の期間と分割実施後3ヶ月間の3つの期間について，売買回転率平均値および分割調整後株価平均値を比較することで，この株式分割のパズルに対する考察を行っている。","subitem_description_type":"Other"},{"subitem_description":"紀要論文","subitem_description_type":"Other"}]},"item_1617186643794":{"attribute_name":"Publisher","attribute_value_mlt":[{"subitem_publisher":"琉球大学法文学部","subitem_publisher_language":"ja"},{"subitem_publisher":"Faculty 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