{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,6,18]],"date-time":"2025-06-18T04:17:15Z","timestamp":1750220235200,"version":"3.41.0"},"publisher-location":"New York, NY, USA","reference-count":12,"publisher":"ACM","license":[{"start":{"date-parts":[[2022,1,14]],"date-time":"2022-01-14T00:00:00Z","timestamp":1642118400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.acm.org\/publications\/policies\/copyright_policy#Background"}],"content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2022,1,14]]},"DOI":"10.1145\/3514262.3514338","type":"proceedings-article","created":{"date-parts":[[2022,4,19]],"date-time":"2022-04-19T22:26:06Z","timestamp":1650407166000},"page":"500-509","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Markowitz and Index Models for Optimizing Investment Portfolio Study During COVID-19 Pandemic"],"prefix":"10.1145","author":[{"given":"Wenxuan","family":"Lyu","sequence":"first","affiliation":[{"name":"Beijing University of Technology, China"}]},{"given":"Shirong","family":"Cui","sequence":"additional","affiliation":[{"name":"University of California,Davis, USA"}]},{"given":"Tao","family":"Li","sequence":"additional","affiliation":[{"name":"Northeastern University, China"}]}],"member":"320","published-online":{"date-parts":[[2022,4,19]]},"reference":[{"key":"e_1_3_2_1_1_1","volume-title":"COVID-19 and World Economy Situation[J]. Contemporary World","author":"Yuyan Zhang","year":"2021","unstructured":"Yuyan , Zhang . COVID-19 and World Economy Situation[J]. Contemporary World , 2021 (01):13-20. Yuyan, Zhang. COVID-19 and World Economy Situation[J]. Contemporary World, 2021(01):13-20."},{"issue":"2","key":"e_1_3_2_1_2_1","first-page":"89","article-title":"Penggunaan Metode Single Index Model Dalam Menentukan Portofolio Optimal Tahun","volume":"38","author":"Adiningrum T. R.","year":"2016","unstructured":"Adiningrum , T. R. , Hidayat , R. R., & Sulasmiyati , S. ( 2016 ) \u201c Penggunaan Metode Single Index Model Dalam Menentukan Portofolio Optimal Tahun \u201d 2012-2015 (Studi pada Saham-Saham yang Terdaftar dalam Indeks IDX30 di Bursa Efek Indonesia Periode Februari 2012 \u2013 Agustus 2015). Jurnal Administrasi Bisnis (JAB) , 38 ( 2 ), 89 \u2013 96 . Adiningrum, T. R., Hidayat, R. R., & Sulasmiyati, S. (2016) \u201cPenggunaan Metode Single Index Model Dalam Menentukan Portofolio Optimal Tahun\u201d 2012-2015 (Studi pada Saham-Saham yang Terdaftar dalam Indeks IDX30 di Bursa Efek Indonesia Periode Februari 2012 \u2013 Agustus 2015). Jurnal Administrasi Bisnis (JAB), 38(2), 89\u201396.","journal-title":"Jurnal Administrasi Bisnis (JAB)"},{"issue":"1","key":"e_1_3_2_1_3_1","first-page":"17","article-title":"Portofolio Optimal dengan Penerapan Model Markowitz Sebagai Dasar Keputusan Investasi","volume":"63","author":"Maf'ula Z.","year":"2018","unstructured":"Maf'ula , Z. , Handayani , S. R., & Zahroh , Z. . ( 2018 ). Portofolio Optimal dengan Penerapan Model Markowitz Sebagai Dasar Keputusan Investasi . Journal Administrasi Bisnis (JAB) , 63 ( 1 ), 17 \u2013 23 . Maf'ula, Z., Handayani, S. R., & Zahroh, Z. . (2018). Portofolio Optimal dengan Penerapan Model Markowitz Sebagai Dasar Keputusan Investasi. Journal Administrasi Bisnis (JAB), 63(1), 17\u201323.","journal-title":"Journal Administrasi Bisnis (JAB)"},{"key":"e_1_3_2_1_4_1","volume-title":"Dasar-dasar teori portofolio dan analisis sekuritas. Edisi kelima","author":"Husnan Suad","year":"2015","unstructured":"Husnan , Suad . \u201c Dasar-dasar teori portofolio dan analisis sekuritas. Edisi kelima .\u201d ( 2015 ). Husnan, Suad. \u201cDasar-dasar teori portofolio dan analisis sekuritas. Edisi kelima.\u201d (2015)."},{"doi-asserted-by":"publisher","key":"e_1_3_2_1_5_1","DOI":"10.46336\/ijqrm.v1i1.6"},{"key":"e_1_3_2_1_6_1","volume-title":"H. M.","author":"Darmadji T.","year":"2012","unstructured":"Darmadji , T. , dan Fakhruddin , H. M. ( 2012 ). Pasar Modal di Indonesia : Pendekatan Tanya Jawab. Edisi Ketiga . Jakarta : Salemba Empat . Darmadji, T., dan Fakhruddin, H. M. (2012). Pasar Modal di Indonesia: Pendekatan Tanya Jawab. Edisi Ketiga. Jakarta: Salemba Empat."},{"doi-asserted-by":"crossref","unstructured":"Sarker Mokta Rani. \u201cMarkowitz Portfolio Model: Evidence from Dhaka Stock Exchange in Bangladesh.\u201d\u00a0IOSR Journal of Business and Management\u00a08 (2013): 68-73.  Sarker Mokta Rani. \u201cMarkowitz Portfolio Model: Evidence from Dhaka Stock Exchange in Bangladesh.\u201d\u00a0IOSR Journal of Business and Management\u00a08 (2013): 68-73.","key":"e_1_3_2_1_7_1","DOI":"10.9790\/487X-0866873"},{"key":"e_1_3_2_1_8_1","volume-title":"\u201cPasar Modal & Manajemen Portofolio","author":"Samsul Mohamad","year":"2015","unstructured":"Samsul , Mohamad and Aditiya Angga Maulana . \u201cPasar Modal & Manajemen Portofolio .\u201d ( 2015 ). Samsul, Mohamad and Aditiya Angga Maulana. \u201cPasar Modal & Manajemen Portofolio.\u201d (2015)."},{"doi-asserted-by":"publisher","key":"e_1_3_2_1_9_1","DOI":"10.20473\/tijab.V5.I1.2021.37-50"},{"key":"e_1_3_2_1_10_1","volume-title":"Analisis Investasi di Aset Keuangan","author":"Halim Abdul Rahman","year":"2015","unstructured":"Halim , Abdul Rahman . \u201c Analisis Investasi di Aset Keuangan .\u201d ( 2015 ). Halim, Abdul Rahman. \u201cAnalisis Investasi di Aset Keuangan.\u201d (2015)."},{"key":"e_1_3_2_1_11_1","article-title":"-2017)[J]","volume":"2019","author":"Bank Financial Institutions","year":"2016","unstructured":"Setyantho K S, Wibowo S H. Comparison of Optimal Portfolio Performance Between Single Index Models and Markowitz Models (Case Study of Daily Return Implementation of OJK Rules Regarding Investments of State Values For Non- Bank Financial Institutions 2016 -2017)[J] . Business and Entrepreneurial Review , 2019 , 19(1): 43-66. Setyantho K S, Wibowo S H. Comparison of Optimal Portfolio Performance Between Single Index Models and Markowitz Models (Case Study of Daily Return Implementation of OJK Rules Regarding Investments of State Values For Non-Bank Financial Institutions 2016-2017)[J]. Business and Entrepreneurial Review, 2019, 19(1): 43-66.","journal-title":"Business and Entrepreneurial Review"},{"key":"e_1_3_2_1_12_1","volume-title":"Case in Jakarta Islamic Index","author":"Yuwono T.","year":"2017","unstructured":"Yuwono , T. , and D. Ramdhani . \"Comparison Analysis of Portfolio Using Markowitz Model and Single Index Model : Case in Jakarta Islamic Index .\" ( 2017 ). Yuwono, T. , and D. Ramdhani . \"Comparison Analysis of Portfolio Using Markowitz Model and Single Index Model: Case in Jakarta Islamic Index.\" (2017)."}],"event":{"acronym":"IC4E 2022","name":"IC4E 2022: 2022 13th International Conference on E-Education, E-Business, E-Management, and E-Learning","location":"Tokyo Japan"},"container-title":["2022 13th International Conference on E-Education, E-Business, E-Management, and E-Learning (IC4E)"],"original-title":[],"link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/3514262.3514338","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/3514262.3514338","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,17]],"date-time":"2025-06-17T19:30:20Z","timestamp":1750188620000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/3514262.3514338"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2022,1,14]]},"references-count":12,"alternative-id":["10.1145\/3514262.3514338","10.1145\/3514262"],"URL":"https:\/\/doi.org\/10.1145\/3514262.3514338","relation":{},"subject":[],"published":{"date-parts":[[2022,1,14]]},"assertion":[{"value":"2022-04-19","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}