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All Journal Jurnal Pemberdayaan Masyarakat Madani (JPMM) KONTAN: Jurnal Ekonomi, Manajemen dan Bisnis Jurnal Baut Dan Manufaktur Matematika Sains: Jurnal Ilmu Matematika KINERJA : Jurnal Ekonomi dan Bisnis Balance: Jurnal Ekonomi
mirtawati, mirtawati
Fakultas Sains Teknologi UIA
Arts Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Industrial & Manufacturing Engineering Mathematics Mechanical Engineering Social Sciences Other

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PKW Program 2018-2020: The Transformation of Mutiara Waste Bank Jakamulya Village Bekasi to Implement 3R-based Technology Kholil, Ahmad; Budiaman; Jumhur, Aam Amaningsih; Mirtawati
Jurnal Pemberdayaan Masyarakat Madani (JPMM) Vol. 5 No. 2 (2021): Jurnal Pemberdayaan Masyarakat Madani (JPMM) (DOAJ & SINTA 3 Indexed)
Publisher : Fakultas Ekonomi dan Bisnis Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/JPMM.005.2.04

Abstract

The impact of not optimal waste management in Jakamulya Urban Village, Bekasi City, which is always flooded by garbage and Situ Wo which cannot hold water. Efforts to manage waste from its source have been made with waste banks but have not been optimal. The objective of the Regional Partnership Program (PKW) with Bekasi City is to increase community participation in waste management with the 3R concept (reuse, recycle, reduce). Based on the results of implementing the PKW program, it can be concluded that the operation of the Mutiara Waste Bank in Pondok Suryamandala, Jakamulya Village, Bekasi City based on TPS 3R is the key to handling community-based (communal) waste which is very effective for waste management that is directly the community as a plus manager (home industry owner). Without this communal system, it is impossible for waste to be handled completely or sustainably. Cultivating good waste disposal methods starting from the household environment to submitting waste to the Waste Bank is an effective method at the community level that will ultimately be independent of the community in managing their own waste. Organizing TPS 3R into a center for the maximum utilization of organic and inorganic waste is a communal-based waste management program that will definitely cut the chain of waste distribution from TPS 3R to landfills.
VECTOR AUTOREGRESSIVE INTEGRATED (VARI) MENGGUNAKAN SOFTWARE R VECTOR AUTOREGRESSIVE INTEGRATED (VARI) USING SOFTWARE R Andri Saputra; mirtawati mirtawati
Baut Dan Manufaktur Vol 2 No 1 (2020): Jurnal Baut Dan Manufaktur Vol. 2 No. 1 Tahun 2020
Publisher : Fakultas Sains Dan Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34005/bautdanmanufaktur.v2i1.958

Abstract

Model Vector Autoregressive Integrated (VARI) merupakan perluasan dari model Autoregressive Integrated (ARI). Model VARI suatu model deret waktu multivariat yang dipengaruhi oleh variabel itu sendiri dan variabel lain pada periode sebelumnya dimana data tidak stasioner. Proses dalam menerapakn model VARI meliputi differencing, identifikasi, stasioneritas, estimasi parameter, uji diagnostik, dan peramalan. Pada penelitian ini, dengan asumsi galat berdistribusi normal, estimasi parameter model VARI dapat menggunakan metode Maximum Likelihood Estimation (MLE) dengan memaksimumkan fungsi ln likelihood. Data yang digunakan adalah nilai Impor dan eskpor Indonesia.
PEMODELAN VECTOR AUTOREGRESSIVE (VAR) PADA PERAMALAN TINGKAT PENCEMARAN UDARA OLEH OZON DAN NITROGEN DIOKSIDA DI DKI JAKARTA Ika Hairul Nisa; Soekardi Hadi Prabowo; Mirtawati Mirtawati
Matematika Sains Vol 2 No 1 (2024): Jurnal MatematikaSains Volume 2 Nomor 1 Tahun 2024
Publisher : Fakultas Sains Dan Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34005/ms.v2i1.4130

Abstract

Tingkat polusi udara Jakarta pada awal tahun 2016 sangat mengkhawatirkan, data Greenpeace Indonesia menyebutkan tingkat polusi berada pada level 4,5 kali dari ambang batas yang ditetapkan World Health Organization (WHO) dan tiga kali lebih besar dari standar yang ditetapkan pemerintah Indonesia. Penelitian ini menghitung dan meramalkan tingkat pencemaran udara dengan parameter pencemar ozon (O3) dan nitrogen dioksida (NO2) di DKI Jakarta. Berupaya untuk memodelkan tingkat pencemaran udara oleh O3 dan NO2 secara bersama-sama dengan Vector Autoregressive (VAR). Hasil yang diperoleh menunjukan tingkat pencemaran udara parameter pencemar ozon di DKI Jakarta termasuk kedalam kategori tidak sehat dengan konsentrasi udara ambien sebesar 315,934 μg/m3 telah melewati batas baku mutu yang dizinkan yaitu 235
ANALISIS REGRESI DATA PANEL PADA FAKTOR-FAKTOR YANG MEMPENGARUHI KEMISKINAN DI INDONESIA TAHUN 2015 – 2019 Mirtawati, Mirtawati; Aulina, Nadiya
Kinerja Vol 4 No 02 (2021): Kinerja : Jurnal Ekonomi dan Bisnis
Publisher : Fakultas Ekonomi dan Bisnis Universitas Islam As-Syafi'iyah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34005/kinerja.v4i02.1781

Abstract

High rate of poverty in Indonesia is shown by the large number of poor people. This condition means that the economic development is not still be able to increase the walfare of the people. First, we need to analyze which factors that might be able to significantly affect the rates of poverty. The goal of this research is to determine those factors in Indonesia from 2015-2019. Secondary data is used in this research along with Data Panel Regression Analysis that is consisted of time series data in range 2015-2019 and cross section data of 33 provinces in Indonesia that is processed by Eviews 9. The regression model is obtained from Ordinary Least Square estimation through fixed effect model approach using dummy variable to find out different intercept in each provinces which explaining different area. The result show that the economic growth is significantly and negatively affecting the poverty in Indonesia from 2015 to 2019. DKI Jakarta, Riau Islands, and East Kalimantan negatively affected to the factors of poverty while Papua, West Papua, and East Nusa Tenggara positively affected.
The Influence of Intellectual Capital on Company Performance with Risk Management as a Mediating Variable in Private Commercial Bank Companies Listed on the Indonesian Stock Exchange Mirtawati, Mirtawati; Laekkeng, Mursalim; Zakaria, Junaiddin
Jurnal Ekonomi Balance Vol. 20 No. 1 (2024): June 2024
Publisher : Perpustakaan dan Penerbitan Unismuh Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/jeb.v20i1.15253

Abstract

With risk management as a mediating variable, the aim of this research is to determine the impact of intellectual capital on company performance. The VAIC proxy is used to estimate intellectual capital, the BOPO proxy to estimate risk management, and the Return on Assets proxy to estimate company performance. The target population for this research is private commercial banks listed on the Indonesia Stock Exchange from 2018 to 2022. Nine private commercial banking institutions are the research sample. Path analysis was used in the data. The E-Views 12 program was used for data processing. The findings of this research show that 1) intellectual capital has a positive and significant impact on business performance. (2) Risk management is negatively and significantly influenced by intellectual capital. (3) Risk management can mediate the relationship between intellectual capital and company performance. (4) Risk management has a negative and significant effect on company performance.
Evaluasi Akurasi Value at Risk Metode Simulasi Historis melalui Backtesting pada Saham BBCA Tahun 2024 Nurhaliza, Alvia; Saputra, Andri; Mirtawati, Mirtawati
KONTAN: Jurnal Ekonomi, Manajemen dan Bisnis Vol 4, No 3 (2025): KONTAN: Jurnal Ekonomi, Manajemen dan Bisnis
Publisher : CV Widina Media Utama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59818/kontan.v4i3.2269

Abstract

This study examines the accuracy of Historical Simulation Value at Risk for short-term BBCA stock investment (January-December 2024). Using 235 daily data points, daily VaR values of 2.257% (95% confidence) and 3.400% (99%) were obtained. Actual violations (11 and 2 days) aligned with model predictions. Kupiec backtesting confirmed model accuracy (  0.05). Results demonstrate the method's effectiveness in capturing tail risk without normality assumptions. For practical implications, investors are advised to adopt 95% VaR as a daily loss-cutting threshold, while financial institutions should supplement it with stress testing. ABSTRAKPenelitian ini bertujuan menganalisis akurasi Value at Risk Historical Simulation untuk investasi saham jangka pendek BBCA (Januari-Desember 2024). Berdasarkan 235 data harian, diperoleh VaR harian 2,257% (tingkat kepercayaan 95%) dan 3,400% (99%). Pelanggaran aktual (11 dan 2 hari) konsisten dengan prediksi model. Backtesting menggunakan Kupiec Test mengonfirmasi akurasi model (p-value 0,05). Hasil menunjukkan keunggulan simulasi historis dalam menangkap tail risk tanpa asumsi distribusi normal. Implikasinya, investor disarankan menggunakan VaR 95% sebagai acuan cut loss harian, sementara lembaga keuangan dapat mengombinasikannya dengan stress testing.
Co-Authors Aam Amaningsih Jumhur Ahmad Kholil Andri Saputra Aulina, Nadiya Budiaman Fachry Abda El Rahman Ika Hairul Nisa Junaiddin Zakaria Laekkeng, Mursalim Nadiya Aulina Nurhaliza, Alvia Soekardi Hadi Prabowo