Article Per Year (5 Year)
p-Index From 2020 - 2025
0.444
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This Author published in this journals
All Journal International Journal of Applied Business and International Management West Science Business and Management
Nilmawati Nilmawati
UPN Veteran Yogyakarta
Humanities Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Social Sciences

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Constructing an Optimal Portfolio with a Single Index Model on the Shares of Bumn Companies Listed in the IDXBUMN20 Index on the Indonesia Stock Exchange Bagus Wicaksono Kurniawan; C. Ambar Pujiharjanto; Nilmawati Nilmawati
West Science Business and Management Vol. 1 No. 05 (2023): West Science Business and Management
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/wsbm.v1i05.499

Abstract

This study aims to determine the optimal portfolio using a single index model on the shares of state-owned companies listed in the IDXBUMN20 index on the Indonesia Stock Exchange. The population was 20 issuers and using purposive sampling, 13 issuers were obtained as samples. By using a single index model, the results show that 7 stocks make up the optimal portfolio with the proportion of funds as follows ANTM (27.52%), BBNI (24.02%), PTBA (17.86%), BMRI (15.08%), TINS (7.51%), BBRI (7.45%) and PGAS (0.56%). Measurement of portfolio performance using the Treynor method of 0.17233 is higher than market performance which has a value of 0.01441.
Analysis of the Effect of Trust and Information Sharing on Supply Chain Performance with Innovation as a Mediating Variable (Study on gula semut SMEs in Kulon Progo Regency) Ardhia Rezkitiani Andiana; Titik Kusmantini; Nilmawati Nilmawati
International Journal of Applied Business and International Management Vol 9, No 1 (2024): April 2024
Publisher : AIBPM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32535/ijabim.v9i1.2914

Abstract

This study aims to determine the effect of trust (X1), information sharing (X2) on supply chain performance (Y) mediated by Innovation SMEs. The population in this study were SMEs in Kulon Progo Yogyakarta. From the population taken 35 samples with non-probability sampling method. The model in this study uses Partial Least Square. And the results showed that trust and information sharing have a significant positive effect on supply chain performance mediated by SME Innovation.  Applicative suggestions that can be applied are the need for trust between supply chain members. because there is still distrust between supply chain members which in the future can hinder supply chain performance. In addition, there is a need for innovations that can accelerate the performance of the supply chain such as the need for a sap drying oven, plastic caps so that the sap is not mixed with water and dirt and jerry cans are placed between 4 - 5 coconut trees which makes it easier to transport raw material supplies. With trust and information sharing can create these innovations that can affect supply chain performance.
Co-Authors Ardhia Rezkitiani Andiana Bagus Wicaksono Kurniawan C Ambar Pujiharjanto Titik Kusmantini