{"_buckets": {"deposit": "da281748-6ef9-44d2-914e-81b4391ccfae"}, "_deposit": {"created_by": 1, "id": "29389", "owners": [1], "pid": {"revision_id": 0, "type": "depid", "value": "29389"}, "status": "published"}, "_oai": {"id": "oai:doshisha.repo.nii.ac.jp:00029389", "sets": ["9224", "9225"]}, "author_link": ["30744", "30744", "30744"], "control_number": "29389", "item_1_alternative_title_1": {"attribute_name": "タイトルヨミ", "attribute_value_mlt": [{"subitem_alternative_title": "ドウジセイ ニ タイショ シタ テツドウ ジギョウ ノ セイサン カンスウ ノ スイテイ"}]}, "item_1_biblio_info_14": {"attribute_name": "書誌情報", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2023-01-23", "bibliographicIssueDateType": "Issued"}, "bibliographicIssueNumber": "4-5", "bibliographicPageEnd": "808", "bibliographicPageStart": "797", "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": "2023-02-06"}]}, "item_1_date_47": {"attribute_name": "更新日", "attribute_value_mlt": [{"subitem_date_issued_datetime": "2023-02-08"}]}, "item_1_description_12": {"attribute_name": "抄録", "attribute_value_mlt": [{"subitem_description": "鉄道事業者は生産性水準に応じて投入物使用量を調整しており、生産関数を通常の最小二乗法(OLS)で推定すると、同時性の問題が発生する可能性がある。日本の鉄道事業者のパネルデータを用いた分析の結果、OLSを適用した場合と、同時性への対処が可能なAckerberg et al. (2015) の手法を適用した場合では、生産関数の係数推定値に無視できない差が生じた。これは、一部の事業者の投入物使用量の調整により同時性が発生し、OLS推定値にバイアスが生じたためであろう。", "subitem_description_type": "Abstract"}, {"subitem_description": "Because railroad companies adjust input usage according to productivity, ordinary least squares (OLS) estimators of coefficients on production function may be biased due to simutanaity. We estimated production function using panel data from Japanese railroad companies and found that there are non-negligible differences in the coefficient estimates of production function between OLS estimates which cannot address simultaneity and Ackerberg et al. (2015) method estimates which can address simultaneity. This may be because some railroad companies adjust input usage and this causes biased OLS estimates.", "subitem_description_type": "Abstract"}]}, "item_1_description_13": {"attribute_name": "内容記述", "attribute_value_mlt": [{"subitem_description": "研究(Article)", "subitem_description_type": "Other"}]}, "item_1_description_25": {"attribute_name": "フォーマット", "attribute_value_mlt": [{"subitem_description": "application/pdf", "subitem_description_type": "Other"}]}, "item_1_description_34": {"attribute_name": "研究課題番号", "attribute_value_mlt": [{"subitem_description": "JP16J06356", "subitem_description_type": "Other"}]}, "item_1_description_43": {"attribute_name": "研究課題名", "attribute_value_mlt": [{"subitem_description": "鉄道事業におけるサービスの質と効率性に関する実証分析と計量モデルの開発(2016～2017年度)", "subitem_description_type": "Other"}]}, "item_1_full_name_31": {"attribute_name": "研究代表者別名", "attribute_value_mlt": [{"familyNames": [{"familyName": "Kitamura", "familyNameLang": "en"}], "givenNames": [{"givenName": "Tomohiro", "givenNameLang": "en"}], "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"}], "names": [{"name": "Kitamura, Tomohiro", "nameLang": "en"}]}]}, "item_1_identifier_registration": {"attribute_name": "ID登録", "attribute_value_mlt": [{"subitem_identifier_reg_text": "10.14988/00029388", "subitem_identifier_reg_type": "JaLC"}]}, "item_1_publisher_15": {"attribute_name": "出版者", "attribute_value_mlt": [{"subitem_publisher": "同志社大学商学会"}]}, "item_1_publisher_16": {"attribute_name": "出版者（英）", "attribute_value_mlt": [{"subitem_publisher": "Doshisha Daigaku Shogakkai"}, {"subitem_publisher": "The Association of Commerce Doshisha University"}]}, "item_1_relation_24": {"attribute_name": "関連サイト", "attribute_value_mlt": [{"subitem_relation_name": [{"subitem_relation_name_text": "掲載刊行物所蔵情報へのリンク ／ Link to Contents"}], "subitem_relation_type_id": {"subitem_relation_type_id_text": "https://doors.doshisha.ac.jp/opac/opac_link/bibid/SB00960307/?lang=0", "subitem_relation_type_select": "URI"}}, {"subitem_relation_name": [{"subitem_relation_name_text": "KAKEN―研究課題をさがす"}], "subitem_relation_type_id": {"subitem_relation_type_id_text": "https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-16J06356/", "subitem_relation_type_select": "URI"}}]}, "item_1_rights_20": {"attribute_name": "権利", "attribute_value_mlt": [{"subitem_rights": "同志社大学商学会"}]}, "item_1_rights_21": {"attribute_name": "権利（英）", "attribute_value_mlt": [{"subitem_rights": "Doshisha Daigaku Shogakkai"}, {"subitem_rights": "The Association of Commerce Doshisha University"}]}, "item_1_rights_23": {"attribute_name": "権利者識別子", "attribute_value_mlt": [{"subitem_rights": "DA04066893"}]}, "item_1_select_10": {"attribute_name": "所属機関識別子種別", "attribute_value_mlt": [{"subitem_select_item": "kakenhi"}]}, "item_1_select_11": {"attribute_name": "所属機関識別子", "attribute_value_mlt": [{"subitem_select_item": "34310"}]}, "item_1_select_22": {"attribute_name": "権利者識別子種別", "attribute_value_mlt": [{"subitem_select_item": "AID"}]}, "item_1_select_26": {"attribute_name": "著者版フラグ", "attribute_value_mlt": [{"subitem_select_item": "publisher"}]}, "item_1_select_35": {"attribute_name": "研究機関識別子種別", "attribute_value_mlt": [{"subitem_select_item": "kakenhi"}]}, "item_1_select_36": {"attribute_name": "研究機関識別子", "attribute_value_mlt": [{"subitem_select_item": "14501"}]}, "item_1_select_37": {"attribute_name": "研究機関名", "attribute_value_mlt": [{"subitem_select_item": "神戸大学"}]}, "item_1_select_38": {"attribute_name": "研究機関名（英）", "attribute_value_mlt": [{"subitem_select_item": "Kobe University", "subitem_select_language": "en"}]}, "item_1_select_44": {"attribute_name": "登録者", "attribute_value_mlt": [{"subitem_select_item": "ji_gkj16"}]}, "item_1_select_45": {"attribute_name": "更新者", "attribute_value_mlt": [{"subitem_select_item": "ji_gkj02"}]}, "item_1_source_id_17": {"attribute_name": "ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "03872858", "subitem_source_identifier_type": "ISSN"}]}, "item_1_source_id_19": {"attribute_name": "書誌レコードID", "attribute_value_mlt": [{"subitem_source_identifier": "AN00165609", "subitem_source_identifier_type": "NCID"}]}, "item_1_subject_27": {"attribute_name": "日本十進分類法", "attribute_value_mlt": [{"subitem_subject": "686.3", "subitem_subject_scheme": "NDC"}]}, "item_1_text_39": {"attribute_name": "助成機関識別子", "attribute_value_mlt": [{"subitem_text_value": "http://dx.doi.org/10.13039/501100001691"}]}, "item_1_text_41": {"attribute_name": "助成元（英）", "attribute_value_mlt": [{"subitem_text_language": "en", "subitem_text_value": "Japan Society for the Promotion of Science"}]}, "item_1_text_50": {"attribute_name": "助成元", "attribute_value_mlt": [{"subitem_text_value": "日本学術振興会"}]}, "item_1_text_8": {"attribute_name": "著者所属", "attribute_value_mlt": [{"subitem_text_value": "同志社大学商学部助教(有期)"}]}, "item_1_text_9": {"attribute_name": "著者所属（英）", "attribute_value_mlt": [{"subitem_text_language": "en", "subitem_text_value": "Doshisha University"}]}, "item_creator": {"attribute_name": "著者", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "北村, 友宏"}, {"creatorName": "キタムラ, トモヒロ", "creatorNameLang": "ja-Kana"}, {"creatorName": "Kitamura, Tomohiro", "creatorNameLang": "en"}], "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_files": {"attribute_name": "ファイル情報", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_date", "date": [{"dateType": "Available", "dateValue": "2023-02-08"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "017074040503.pdf", "filesize": [{"value": "354.2 kB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_6", "mimetype": "application/pdf", "size": 354200.0, "url": {"label": "017074040503.pdf", "url": "https://doshisha.repo.nii.ac.jp/record/29389/files/017074040503.pdf"}, "version_id": "737e1134-d505-49ff-84a0-4fd4928f9c3d"}]}, "item_keyword": {"attribute_name": "キーワード", "attribute_value_mlt": [{"subitem_subject": "鉄道事業", "subitem_subject_scheme": "Other"}, {"subitem_subject": "生産関数", "subitem_subject_scheme": "Other"}, {"subitem_subject": "同時性", "subitem_subject_scheme": "Other"}, {"subitem_subject": "railroad industry", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "production function", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "simultaneity", "subitem_subject_language": "en", "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": "同時性に対処した鉄道事業の生産関数の推定", "item_titles": {"attribute_name": "タイトル", "attribute_value_mlt": [{"subitem_title": "同時性に対処した鉄道事業の生産関数の推定", "subitem_title_language": "ja"}, {"subitem_title": "Estimating production function of railroad industry with accounting for simultaneity", "subitem_title_language": "en"}]}, "item_type_id": "1", "owner": "1", "path": ["9224", "9225"], "permalink_uri": "https://doi.org/10.14988/00029388", "pubdate": {"attribute_name": "PubDate", "attribute_value": "2023-02-08"}, "publish_date": "2023-02-08", "publish_status": "0", "recid": "29389", "relation": {}, "relation_version_is_last": true, "title": ["同時性に対処した鉄道事業の生産関数の推定"], "weko_shared_id": -1}