{"created":"2021-03-01T06:34:22.324847+00:00","id":17075,"links":{},"metadata":{"_buckets":{"deposit":"1841e4f0-4536-4a2d-b2e2-a0599ca37504"},"_deposit":{"id":"17075","owners":[],"pid":{"revision_id":0,"type":"depid","value":"17075"},"status":"published"},"_oai":{"id":"oai:repository.dl.itc.u-tokyo.ac.jp:00017075","sets":["55:864:922:926","9:504:867:924:927"]},"item_4_alternative_title_1":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"Demand Analysis of Japan's Broadband Services and Information Policy (<Featured Theme>Economic Regulation and Industrial Organization in Public Utility with Network Facilities)"}]},"item_4_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2009-02-16","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"3-4","bibliographicPageEnd":"50","bibliographicPageStart":"33","bibliographicVolumeNumber":"60","bibliographic_titles":[{"bibliographic_title":"社會科學研究"}]}]},"item_4_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"本稿では, 普及期と成熟期のブロードバンド･サービスの需要代替性, ADSLからFTTHへのマイグレーションが進む時のロックイン効果, 2Gから3Gへマイグレーションが進む時の携帯電話のブランド競争と技術規格競争の需要代替性, そして固定ブロードバンドと携帯電話の融合が進むときのレバレッジ効果を計量的に検討した.","subitem_description_type":"Abstract"},{"subitem_description":"This paper investigates the following topics that are important when considering broadband and information policies: the demand substitution of broadband services in the era of diffusion and maturity, the lock-in effects when the migration from ADSL to FTTH advances, the demand substitution of mobile phone services in terms of brand and standard competitions, and the leverage effects when fixed and mobile services converge.","subitem_description_type":"Abstract"}]},"item_4_full_name_3":{"attribute_name":"著者別名","attribute_value_mlt":[{"nameIdentifiers":[{"nameIdentifier":"27280","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Ida, Takanori"}]}]},"item_4_publisher_20":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"東京大学社会科学研究所"}]},"item_4_source_id_10":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00108966","subitem_source_identifier_type":"NCID"}]},"item_4_source_id_8":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"03873307","subitem_source_identifier_type":"ISSN"}]},"item_4_subject_15":{"attribute_name":"日本十進分類法","attribute_value_mlt":[{"subitem_subject":"300","subitem_subject_scheme":"NDC"}]},"item_4_text_21":{"attribute_name":"出版者別名","attribute_value_mlt":[{"subitem_text_value":"Institute of Social Science, The University of Tokyo"}]},"item_4_text_4":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"京都大学大学院経済学研究科"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"依田, 高典"}],"nameIdentifiers":[{"nameIdentifier":"27279","nameIdentifierScheme":"WEKO"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2017-06-08"}],"displaytype":"detail","filename":"shk060003003.pdf","filesize":[{"value":"1.1 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"shk060003003.pdf","url":"https://repository.dl.itc.u-tokyo.ac.jp/record/17075/files/shk060003003.pdf"},"version_id":"a9c996e5-7159-4050-96c2-93110746d993"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"ブロードバンド・サービス","subitem_subject_scheme":"Other"},{"subitem_subject":"携帯電話サービス","subitem_subject_scheme":"Other"},{"subitem_subject":"離散選択分析","subitem_subject_scheme":"Other"},{"subitem_subject":"ロックイン効果","subitem_subject_scheme":"Other"},{"subitem_subject":"レバレッジ効果","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"departmental bulletin paper","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"ブロードバンド・サービスの需要分析と情報通信政策(<特集>ネットワーク型産業における経済規制と産業組織)","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"ブロードバンド・サービスの需要分析と情報通信政策(<特集>ネットワーク型産業における経済規制と産業組織)"}]},"item_type_id":"4","owner":"1","path":["926","927"],"pubdate":{"attribute_name":"公開日","attribute_value":"2011-05-20"},"publish_date":"2011-05-20","publish_status":"0","recid":"17075","relation_version_is_last":true,"title":["ブロードバンド・サービスの需要分析と情報通信政策(<特集>ネットワーク型産業における経済規制と産業組織)"],"weko_creator_id":"1","weko_shared_id":null},"updated":"2022-12-19T03:55:55.561068+00:00"}