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Accuracy of Single- and Multi-Index Models in Stock Investment Portfolios: Study on LQ45 Shares after the Covid-19 Pandemic in Indonesia 股票投资组合中单指数和多指数模型的准确性——以印尼新冠肺炎疫情后LQ45股票为例
Hong Kong journal of Social Sciences Pub Date : 2023-01-01 DOI: 10.55463/hkjss.issn.1021-3619.61.64
{"title":"Accuracy of Single- and Multi-Index Models in Stock Investment Portfolios: Study on LQ45 Shares after the Covid-19 Pandemic in Indonesia","authors":"","doi":"10.55463/hkjss.issn.1021-3619.61.64","DOIUrl":"https://doi.org/10.55463/hkjss.issn.1021-3619.61.64","url":null,"abstract":"This study discusses the problem of the accuracy of the single- and multi-index models to form a stock investment portfolio. This study aims to reveal information related to the accuracy of the single- and multi-index models to form an optimal stock investment portfolio after the COVID-19 pandemic in Indonesia. The results of the analysis can be used to choose which model is more accurate to form an optimal stock portfolio that can provide returns for investors. This research is devoted to determining the optimal stock portfolio using the single- and multi-index models. The data were collected from stocks included in the LQ45 list for February-July 2022 with 5980 observations consisting of 115 market returns, 1150 industrial sector returns, and 4715 individual stock returns. The analytical method used was regression analysis to predict the expected returns from single- and multi-index models, standard deviation of residuals, and Wilcoxon's differential signed-rank test. The results of the study show that stock investment portfolios based on daily data using the single index model approach and the multi-index model have their respective levels of accuracy with an accuracy rate of 95% (alpha 5%). The main finding is that the multi-index model proved to be more accurate than the single-index model, where the standard deviations of the multi- and single-index models were 0.0215 and 0.0280, respectively. Keywords: individual stock returns, market returns, multi-index model, single-index model, Wilcoxon’s signed-rank test. DOI: https://doi.org/10.55463/hkjss.issn.1021-3619.61.64","PeriodicalId":38983,"journal":{"name":"Hong Kong journal of Social Sciences","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135498457","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Influence of Narcissism on Gen Z’s Life Satisfaction 自恋对Z世代生活满意度的影响
Hong Kong journal of Social Sciences Pub Date : 2023-01-01 DOI: 10.55463/hkjss.issn.1021-3619.61.65
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引用次数: 0
Influence of Behavioural Finance, Customer Satisfaction, and Service Quality on Bank-Switching Behavior 行为金融、客户满意度和服务质量对银行转换行为的影响
Hong Kong journal of Social Sciences Pub Date : 2023-01-01 DOI: 10.55463/hkjss.issn.1021-3619.60.21
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引用次数: 0
Determinant Factors in Decision-Making for Women Leaders 女性领导者决策中的决定因素
Hong Kong journal of Social Sciences Pub Date : 2023-01-01 DOI: 10.55463/hkjss.issn.1021-3619.60.35
{"title":"Determinant Factors in Decision-Making for Women Leaders","authors":"","doi":"10.55463/hkjss.issn.1021-3619.60.35","DOIUrl":"https://doi.org/10.55463/hkjss.issn.1021-3619.60.35","url":null,"abstract":"","PeriodicalId":38983,"journal":{"name":"Hong Kong journal of Social Sciences","volume":"286 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72434425","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Liberal Feminism Propaganda and Social and Political Implications in Indonesia 印尼的自由主义女权主义宣传及其社会政治影响
Hong Kong journal of Social Sciences Pub Date : 2023-01-01 DOI: 10.55463/hkjss.issn.1021-3619.61.26
{"title":"Liberal Feminism Propaganda and Social and Political Implications in Indonesia","authors":"","doi":"10.55463/hkjss.issn.1021-3619.61.26","DOIUrl":"https://doi.org/10.55463/hkjss.issn.1021-3619.61.26","url":null,"abstract":"","PeriodicalId":38983,"journal":{"name":"Hong Kong journal of Social Sciences","volume":"13 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77908197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
E-Learning Platforms Analysis – Modern Review 电子学习平台分析-现代评论
Hong Kong journal of Social Sciences Pub Date : 2023-01-01 DOI: 10.55463/hkjss.issn.1021-3619.60.89
{"title":"E-Learning Platforms Analysis – Modern Review","authors":"","doi":"10.55463/hkjss.issn.1021-3619.60.89","DOIUrl":"https://doi.org/10.55463/hkjss.issn.1021-3619.60.89","url":null,"abstract":"","PeriodicalId":38983,"journal":{"name":"Hong Kong journal of Social Sciences","volume":"9 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73495322","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Role of Company Assets and Leadership Style in the Sustainable Business Performance of the Digital Creative Companies in Java 公司资产和领导风格在Java数字创意公司可持续经营绩效中的作用
Hong Kong journal of Social Sciences Pub Date : 2023-01-01 DOI: 10.55463/hkjss.issn.1021-3619.60.16
{"title":"The Role of Company Assets and Leadership Style in the Sustainable Business Performance of the Digital Creative Companies in Java","authors":"","doi":"10.55463/hkjss.issn.1021-3619.60.16","DOIUrl":"https://doi.org/10.55463/hkjss.issn.1021-3619.60.16","url":null,"abstract":"","PeriodicalId":38983,"journal":{"name":"Hong Kong journal of Social Sciences","volume":"5 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86301225","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Understanding the Role of Admiration in Marketing 理解赞赏在市场营销中的作用
Hong Kong journal of Social Sciences Pub Date : 2023-01-01 DOI: 10.55463/hkjss.issn.1021-3619.60.58
{"title":"Understanding the Role of Admiration in Marketing","authors":"","doi":"10.55463/hkjss.issn.1021-3619.60.58","DOIUrl":"https://doi.org/10.55463/hkjss.issn.1021-3619.60.58","url":null,"abstract":"","PeriodicalId":38983,"journal":{"name":"Hong Kong journal of Social Sciences","volume":"21 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79987317","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Relevance of Capability Approach to Evaluate Living Standard: A Systematic Review 评价生活水平的能力相关性方法:系统回顾
Hong Kong journal of Social Sciences Pub Date : 2023-01-01 DOI: 10.55463/hkjss.issn.1021-3619.60.65
{"title":"The Relevance of Capability Approach to Evaluate Living Standard: A Systematic Review","authors":"","doi":"10.55463/hkjss.issn.1021-3619.60.65","DOIUrl":"https://doi.org/10.55463/hkjss.issn.1021-3619.60.65","url":null,"abstract":"","PeriodicalId":38983,"journal":{"name":"Hong Kong journal of Social Sciences","volume":"117 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79445875","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Movement of Urban Vacant Land Use as an Effort in Keeping the Food Security in Surakarta during the Pandemic 在大流行期间，城市空地利用的流动是维护泗水粮食安全的努力
Hong Kong journal of Social Sciences Pub Date : 2023-01-01 DOI: 10.55463/hkjss.issn.1021-3619.60.71
{"title":"Movement of Urban Vacant Land Use as an Effort in Keeping the Food Security in Surakarta during the Pandemic","authors":"","doi":"10.55463/hkjss.issn.1021-3619.60.71","DOIUrl":"https://doi.org/10.55463/hkjss.issn.1021-3619.60.71","url":null,"abstract":"","PeriodicalId":38983,"journal":{"name":"Hong Kong journal of Social Sciences","volume":"12 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80313992","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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