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All Journal International Journal of Business, Economics, and Social Development International Journal of Research in Community Services
Shindi Adha Gusliana
Mathematics Undergraduate Study Program, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran, Jatinangor, Indonesia
Humanities Economics, Econometrics & Finance Education Energy Engineering Languange, Linguistic, Communication & Media Social Sciences Other

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MEAN-VARIANCE INVESTMENT PORTFOLIO OPTIMIZATION MODEL WITHOUT RISK-FREE ASSETS IN JII70 SHARE Shindi Adha Gusliana; Yasir Salih
International Journal of Business, Economics, and Social Development Vol 3, No 4 (2022)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijbesd.v3i4.352

Abstract

In investing, investors will try to limit all the risks in managing their investments. Investor strategies to minimize investment risk are diversification by forming investment portfolios, one of which is the Mean-Variance without risk-free assets. The calculation results will show the composition of the optimum portfolio return for each stock that forms the portfolio. Optimum portfolio obtained with wT = (0.39853, 0.25519, 0.13644, 0.09788, 0.11196) sequential weight composition for TLKM, KLBF, INCO, HRUM, and FILM stocks. The composition of this optimal portfolio return is ???? 0.04 with a return of 0.00209 and a portfolio variance of 0.00015. The formation of this portfolio optimization model is expected to be additional literature in optimizing the investment portfolio with the Mean-Variance.
Determination of Community-Based Health Microinsurance Premiums Based on Health Costs Shindi Adha Gusliana; Dwi Susanti; Sukono Sukono
International Journal of Research in Community Services Vol 4, No 3 (2023)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijrcs.v4i3.464

Abstract

Low-income households are faced with the financial risk of paying large medical bills when a member of the household falls ill. This health-related risk can affect household welfare because meeting medical expenses has the potential to reduce income capacity. Community-based health insurance is seen as one mechanism for vulnerable low- and middle-income households to overcome barriers and to improve access to health care and financial protection. This research was conducted to determine the calculation of community-based health microinsurance premiums based on health costs and determine the average willingness to pay insurance premiums. The determination of the premium is calculated based on the pure premium and other costs. Data obtained based on surveys and data provided by health facilities. Based on the results of the research, the pure individual premium is IDR 92,297.12 per year. The total individual premium calculated based on pure premium and other costs is IDR 275,256.80 per year. If the premium is paid monthly, a premium of IDR 22,938.07 per month will be obtained. Then the average value is obtained WTP or willingness to pay IDR 38,368.42 per month. The average value of the willingness to pay is greater than the total monthly health micro insurance premium that has been determined.
Co-Authors Dwi Susanti Sukono Sukono Yasir Salih