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219.852  Articles
1 of 21.986 pages  |  10  records  |  more records»
This study aims to determine the stocks that can be included in the optimal portfolio of IDX Value30, the proportion of funds invested in each IDX Value30 stock, the return and risk of the optimal portfolio of IDX Value30 shares using the single index mod... see more

As social insurance company of the Republic of Indonesia, PT ABC (Persero) has a captive market based on the provisions of Undang-undang in Indonesia. The company has managed funds from the government, and is one of the four insurance products in the comp... see more

Investment is an interesting thing to analyze during the Corona Virus Disease (COVID-19) pandemic because at this time the economy is experiencing a decline so specifically for investors, they must consider the level of risk in their shares. The purpose o... see more

The single index support vector regression model (SI-SVR) is a useful regression technique used to alleviate the problem of high-dimensionality. In this paper, we propose a robust variable selection technique for the SI-SVR model by using vital method to ... see more

Buying stock is one of the way investors do to obtain profit from their money. Every investor should consider two important things, return and risk. To minimize the risk, one can diversify their investment by creating optimal portfolio, which consists of ... see more

The single index support vector regression model (SI-SVR) is a useful regression technique used to alleviate the problem of high-dimensionality. In this paper, we propose a robust variable selection technique for the SI-SVR model by using vital method to ... see more

Investment was the commitment of funds to one or more assets that would be held over some future time period.The goal of doing investment was to get the best return. Investment portfolio was one of the main considerationsto achieve the goal. This study ai... see more

For portfolios with a large number of assets, the single index model allows for expressing the large number of covariances between individual asset returns through a significantly smaller number of parameters. This avoids the constraint of having very lar... see more

Hourly values of the critical frequency of the ionospheric F region, foF2, obtained at Chongqing ionospheric observatory(geographic 29.50N, 106.40E), China, during the interval of 1977 to 1997 (solar cycle 21 and 22) havebeen used to investigate the depen... see more

1 of 21.986 pages  |  10  records  |  more records»