{"created":"2021-03-01T06:32:46.708311+00:00","id":27115,"links":{},"metadata":{"_buckets":{"deposit":"21b61919-5463-48b5-9fa9-b687ef16e563"},"_deposit":{"id":"27115","owners":[],"pid":{"revision_id":0,"type":"depid","value":"27115"},"status":"published"},"_oai":{"id":"oai:niigata-u.repo.nii.ac.jp:00027115","sets":["163:164:1432:1437","453:456"]},"item_7_alternative_title_1":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"Mergers between a Public Firm and a Private Firm in a Mixed Oligopoly"}]},"item_7_biblio_info_6":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2016-03","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"41","bibliographicPageStart":"1","bibliographicVolumeNumber":"100","bibliographic_titles":[{"bibliographic_title":"新潟大学経済論集"},{"bibliographic_title":"新潟大学経済論集","bibliographic_titleLang":"en"}]}]},"item_7_description_4":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"本論文は，寡占理論の標準的な枠組みを用いて，混合寡占市場の下での公企業と私企業の合併について分析を行う．本論文では，公企業と私企業が合併してできた合併企業の目的が，社会厚生と自社利潤の加重平均となる状況を考察し，合併前後の社会厚生を比較すると共に，企業の合併インセンティブについて分析を行う．企業の費用関数について関数形を特定化し，線形関数と2次関数のケースそれぞれの下での公企業と私企業の合併を検討し，合併前後の社会厚生の大小関係についての数値計算を行う．シミュレーション結果から得られる本論文の主な結論は，以下の通りである．第一に，線形費用関数のケースで合併前の生産技術が合併後も使われる時，合併企業が独占となる場合に社会厚生は減少する．一方，合併企業が私企業と市場競争に直面する場合，合併後社会厚生が増加するかどうかは目的関数のウエイトパラメータに依存し，合併後社会厚生が増加する可能性がある．第二に，線形費用関数のケースで合併企業が私企業の効率的生産技術を採用する時，合併企業が独占となる場合に，社会厚生が増加する場合がある．一方，合併企業が私企業と市場競争に直面する場合，合併後社会厚生は増加する．第三に，2次費用関数のケースでは，合併企業が直面する市場競争状態にかかわらず，合併後社会厚生が減少する場合が起こり得る．合併後に社会厚生が減少するか否かは費用効率性パラメータに依存し，費用関数の傾きが小さければ合併後社会厚生が大きくなり易い．これらの結果から，費用関数が線形関数か2次関数かにかかわらず，合併企業で採用される生産技術の効率性の程度が，合併後社会厚生に大きな影響を与えることが示唆される．","subitem_description_type":"Abstract"}]},"item_7_full_name_3":{"attribute_name":"著者別名","attribute_value_mlt":[{"nameIdentifiers":[{"nameIdentifier":"158343","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Hamada, Kojun"}]}]},"item_7_publisher_7":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"新潟大学経済学会"}]},"item_7_select_19":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_select_item":"publisher"}]},"item_7_source_id_11":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00183269","subitem_source_identifier_type":"NCID"}]},"item_7_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"02861569","subitem_source_identifier_type":"ISSN"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"濱田, 弘潤"}],"nameIdentifiers":[{"nameIdentifier":"158342","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":"2019-08-20"}],"displaytype":"detail","filename":"100_1-41.pdf","filesize":[{"value":"1.6 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"100_1-41.pdf","url":"https://niigata-u.repo.nii.ac.jp/record/27115/files/100_1-41.pdf"},"version_id":"3112c8a5-5873-4ef3-b69c-a33436d92132"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"合併","subitem_subject_scheme":"Other"},{"subitem_subject":"混合寡占市場","subitem_subject_scheme":"Other"},{"subitem_subject":"厚生比較","subitem_subject_scheme":"Other"},{"subitem_subject":"企業の目的","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":"混合寡占市場の下での公企業と私企業の合併","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"混合寡占市場の下での公企業と私企業の合併"},{"subitem_title":"混合寡占市場の下での公企業と私企業の合併","subitem_title_language":"en"}]},"item_type_id":"7","owner":"1","path":["456","1437"],"pubdate":{"attribute_name":"公開日","attribute_value":"2016-04-13"},"publish_date":"2016-04-13","publish_status":"0","recid":"27115","relation_version_is_last":true,"title":["混合寡占市場の下での公企業と私企業の合併"],"weko_creator_id":"1","weko_shared_id":null},"updated":"2022-12-15T03:56:58.802964+00:00"}