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Analisis Metode Capital Asset Pricing and Arbitrage Pricing Theory terhadap Investasi Saham Selfiana Dewi; Cut Mutia; T. Aris Nouval; Muammar Khaddafi
Jurnal Rimba Riset Ilmu manajemen BisnisĀ danĀ Akuntansi Vol. 3 No. 3 (2025): Agustus : Riset Ilmu Manajemen Bisnis dan Akuntansi
Publisher : Asosiasi Riset Ilmu Manajemen Kewirausahaan dan Bisnis Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/rimba.v3i3.2048

Abstract

This study aims to compare the effectiveness of the Capital Asset Pricing Model (CAPM) and Arbitrage Pricing Theory (APT) in predicting stock returns through a literature review of 30 relevant studies. The findings show that CAPM, which relies solely on market risk, is more frequently proven accurate (18 studies) compared to APT (6 studies), while the remaining studies found no significant difference. Financial behavior also plays an important role in enhancing the accuracy of both models. Overall, CAPM is more effective in stable market conditions, while APT is more suitable in complex economic environments. Model selection should be based on market conditions and investor needs.
In vivo test of Litopenaeus vannamei infected by Vibrio using Moringa oleifera leaf extract Iko Imelda Arisa; Cut Mutia; Sri Agustina; Nurfadillah Nurfadillah; Sofyatuddin Karina
Depik Vol 10, No 2 (2021): August 2021
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.10.2.17510

Abstract

This study aimed to determine the optimal concentration of Moringa oleifera leaf extract as an antibacterial agent on Litopenaeus vannamei larvae that are infected by Vibrio sp.. It was conducted in 15 March - 15 April 2019 at PT. Global Gain Superior Seeds, Pantai Cermin, North Sumatera. The research used a completely randomized design (CRD) method with five treatments and four replications. The shrimps infected by Vibrio sp. were immersed into M. oleifera leaf extract in various concentration of (A) 0 ppm, (B) 400 ppm, (C) 600 ppm, (D) 800 ppm, and (E) 1000 ppm for 15 minutes. The size of shrimp used was post-larvae 8 (length of 3.5-5 mm/ind). The best performance results of vannamei shrimps were obtained in treatment E (1000 ppm), namely length growth of 16.75 1.16 cm, weight growth of 0.92 0.89 g and survival rate of 917.87%.Keywords:Moringa oleiferaVibrio sp.Immersion