{"_buckets": {"deposit": "2d91da06-58ac-4086-bc1b-0dcd82b93a85"}, "_deposit": {"created_by": 1, "id": "29517", "owners": [1], "pid": {"revision_id": 0, "type": "depid", "value": "29517"}, "status": "published"}, "_oai": {"id": "oai:doshisha.repo.nii.ac.jp:00029517", "sets": ["9265", "9267"]}, "author_link": ["30744", "30744", "30744"], "control_number": "29517", "item_1_alternative_title_1": {"attribute_name": "タイトルヨミ", "attribute_value_mlt": [{"subitem_alternative_title": "ゲスイ ハイジョ ホウシキ ノ チガイ オ コウリョ シタ ゲスイドウ ジギョウ ノ コウリツセイ ヒョウカ : パネル データ ニヨル メタフロンティア ブンセキ"}]}, "item_1_biblio_info_14": {"attribute_name": "書誌情報", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2023-03-14", "bibliographicIssueDateType": "Issued"}, "bibliographicIssueNumber": "6", "bibliographicPageEnd": "929", "bibliographicPageStart": "915", "bibliographicVolumeNumber": "74", "bibliographic_titles": [{"bibliographic_title": "同志社商学"}, {"bibliographic_title": "Doshisha Shogaku (The Doshisha Business Review)", "bibliographic_titleLang": "en"}]}]}, "item_1_contributor_30": {"attribute_name": "研究代表者", "attribute_value_mlt": [{"contributorNames": [{"contributorName": "北村, 友宏"}], "nameIdentifiers": [{"nameIdentifier": "30744", "nameIdentifierScheme": "WEKO"}, {"nameIdentifier": "1000010822900", "nameIdentifierScheme": "CiNii ID", "nameIdentifierURI": "http://ci.nii.ac.jp/nrid/1000010822900"}, {"nameIdentifier": "10822900", "nameIdentifierScheme": "e-Rad", "nameIdentifierURI": "https://kaken.nii.ac.jp/ja/search/?qm=10822900"}]}]}, "item_1_date_46": {"attribute_name": "登録日", "attribute_value_mlt": [{"subitem_date_issued_datetime": "2023-03-29"}]}, "item_1_date_47": {"attribute_name": "更新日", "attribute_value_mlt": [{"subitem_date_issued_datetime": "2023-03-30"}]}, "item_1_description_12": {"attribute_name": "抄録", "attribute_value_mlt": [{"subitem_description": "本稿ではパネルデータを用いて、日本の下水道事業の効率性分析を行う。その際に、下水排除方式の違いを考慮し、メタフロンティア分析を実行する。結果として、分流式下水管のみを採用している事業体グループは、合流式下水管を採用している事業体グループに比べ、実際の費用が最小化費用から大きく乖離していることが明らかになった。よって、分流式下水管のみを採用している下水道事業体は、費用を削減する余地が大きいと考えられる。", "subitem_description_type": "Abstract"}, {"subitem_description": "This study adopts panel data to analyze the efficiency of Japanese sewerage industry. We conduct metafrontier analysis to consider the differences in sewage removal types. As a result, we found that the actual cost of the sewerage company group that flush waste and rain water into separate sewer pipes deviates from the minimized cost compared to the group that flush waste and rain water into same sewer pipes. 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