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All Journal Majalah Ilmiah Bijak TIN: TERAPAN INFORMATIKA NUSANTARA NERACA : JURNAL AKUNTANSI TERAPAN Economicus: Jurnal Ekonomi dan Manajemen Abiwara : Jurnal Vokasi Administrasi Bisnis
Heru Satria Rukmana
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PENGARUH EXPRESS MAIL SERVICE DAN TAX TERHADAP HARGA JUAL ALBUM MUSIK KOREA DI BURSTORE (ONLINE SHOP) TAHUN 2017 Heru Satria Rukmana; Eva Patimah
Economicus : Jurnal Ekonomi dan Manajemen Vol. 10 No. 2 (2020): Juni: Economicus : Jurnal Ekonomi dan Manajemen
Publisher : Institut Teknologi dan Bisnis Dewantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47860/economicus.v10i2.87

Abstract

This research discusses Import activities, EMS and Taxes on Import activities carried out by one of the Online Shops of Imported goods from Korea. This study aims to determine the effect of independent variabels, namely EMS and Taxes on Selling Prices of Korean Music Albums. The sample in this study amounted to 6 data from July 2017 to December 2017 in one of the Online Shop that sell music albums from Korea. The data used is secondary data with methods of collecting data and documentation, with the analysis tool used is multiple linear regression. The study resultes that EMS didn’t significantly influence the Selling Price of Korean music albums, while Taxes had a significant influence on the Selling Price of Korean music albums. Simultaneously EMS and Taxes affect the Selling Price of Korean music albums. The magnitude of the influence caused by the two independent variables is 78.9%, while the remaining 21.1% is likely to be influenced by other variables not included in this study.
PENGARUH KEPUTUSAN INVESTASI, KEBIJAKAN DIVIDEN DAN KEBIJAKAN HUTANG TERHADAP NILAI PERUSAHAAN SEKTOR PROPERTY, REAL ESTATE DAN BUILDING CONTRUCTIONS YANG TERDAFTAR DI BURSA EFEK INDONESIA PERIODE TAHUN 2016-2018 Heru Satria Rukmana; Rosi Esa Mardiyani
Economicus : Jurnal Ekonomi dan Manajemen Vol. 11 No. 1 (2020): Desember: Economicus : Jurnal Ekonomi dan Manajemen
Publisher : Institut Teknologi dan Bisnis Dewantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47860/economicus.v11i1.94

Abstract

This study aims to determine the effect of investment decisions, dividend policy and debt policy on corporate value decisions in the property, real estate and building construction sectors for the period 2016-2018. This research uses quantitative analysis. The coefficient of determination test results where the adjusted rsquare value of the Investment Decision variable (X1), the Dividend Policy variable (X2) and the Debt Policy variable (X3) is 90.5%, which means that the deterimination coefficient value of the Investment Decision variable (X1), the Dividend Policy variable (X2) ) and the debt policy variable (X3) has a dominant factor affecting the firm value variable (Y). Based on the results of multiple linear regression, the equation Ŷ = -1.972 + 0.071 + 0.018 + 0.602 is obtained. From the results of hypothesis testing, it states that there is an influence of the Investment Decision (X1), Dividend Policy (X2) and Debt Policy (X3) on Firm Value (Y). The results of the partial t test where the significant value of the Investment Decision variable (X1) is 0.000 <0.05, the significant value of the Dividend Policy variable (X2) is 0.000 <0.05 and the significant value of the Debt Policy variable (X3) is 0.022 <0.05.
Pengaruh Keputusan Investasi, Kebijakan Dividen, Dan Kebijakan Hutang Terhadap Nilai Perusahaan Sektor Property, Real Estate Dan Building Contructions Yang Terdaftar Di Bursa Efek Indonesia Periode Tahun 2016-2018 Mardiyani, Rosi Esa; Rukmana, Heru Satria
Abiwara : Jurnal Vokasi Administrasi Bisnis Vol. 2 No. 2: Maret 2021
Publisher : Institut Ilmu Sosial dan Manajemen STIAMI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (617.028 KB) | DOI: 10.31334/abiwara.v2i2.1408

Abstract

This study aims to determine the effect of investment decisions, dividend policy and debt policy on corporate value decisions in the property, real estate and building construction sectors for the period 2016-2018. This research uses quantitative analysis. The sample collection method used was purposive sampling, namely property, real estate and building construction sector companies listed on the Indonesia Stock Exchange in a row for the period 2016-2018. The data collection technique uses documentary data, namely in the form of previous research journals, literature and financial reports. The data analysis technique used correlation coefficient test, determination coefficient test, partial t statistical test, f statistical test and multiple linear regression analysis. The coefficient of determination test results where the adjusted rsquare value of the Investment Decision variable (X1), the Dividend Policy variable (X2) and the Debt Policy variable (X3) is 90.5%, which means that the deterimination coefficient value of the Investment Decision variable (X1), the Dividend Policy variable (X2) ) and the debt policy variable (X3) has a dominant factor affecting the firm value variable (Y). Performing the classical assumption test shows that the data in this study show positive results for conducting multiple regression tests. Based on the results of multiple linear regression, the equation ¶ = -1.972 + 0.071 + 0.018 + 0.602 is obtained. From the results of hypothesis testing, it states that there is an influence of the Investment Decision (X1), Dividend Policy (X2) and Debt Policy (X3) on Firm Value (Y). The results of the partial t test where the significant value of the Investment Decision variable (X1) is 0.000 <0.05, the significant value of the Dividend Policy variable (X2) is 0.000 <0.05 and the significant value of the Debt Policy variable (X3) is 0.022 <0.05.
Peramalan Permintaan Bahan Bakar pada Industri Perminyakan Melalui Perbandingan Metode Regresi Linier dan Exponential Smoothing Sinaga, Apriani; Vikaliana, Resista; Rukmana, Heru Satria; Suryana, Ade; Aryani, Fika
TIN: Terapan Informatika Nusantara Vol 6 No 8 (2026): January 2026
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/tin.v6i8.8237

Abstract

This research discusses the comparative analysis of linear regression and exponential smoothing methods in forecasting demand for Pertalite products at PT Pertamina Patra Niaga Regional North Sumatra, especially the Medan Retail Sales Area. This research aims to find out the most accurate forecasting method in predicting demand for Pertalite in the Medan Retail Sales Area. Historical demand data from the period January 2023 to June 2024 is used as the basis for the research. The research results show that the linear regression method has a better level of forecasting accuracy than the exponential smoothing method based on error calculations. The linear regression method produces a Mean Absolute Deviation (MAD) value of 3,157,216, a Mean Square Error (MSE) of 1,571,886,522, and a Mean Absolute Percent Error (MAPE) of 2.97%. Meanwhile, the exponential smoothing method with alpha values of 0.1, 0.5, and 0.9 produces MAD values of 3,244,072, 3,746,722 and 4,796,245 respectively, MSE values of 2,010,507,177, 2,580,704,082 and 3,344,564,362, and MAPE values of 3.08%, 3.54% and 4.52%. Therefore, it is concluded that the linear regression method is the most appropriate to use in forecasting demand for Pertalite in the Medan Retail Sales Area because it has the smallest error value. It is hoped that this research can help PT Pertamina Patra Niaga in making strategic decisions regarding inventory management and fuel distribution more efficiently.
Co-Authors ., Muhlis Ade Suryana Alfian Maliki Annisa Apriyanti Apriyanti, Annisa Benny Osta Nababan Dyanti Sitinjak, Monica Esa Mardiyani, Rosi Eva Patimah Fika Aryani Fitriyani Fitriyani Fitriyani Hulwah, Mutiara Ikhbal Saputra, Muhamad Linda Mariana Linda Mariana Linda Mariana, Linda Mardiyani, Rosi Esa Monica Dyanti Sitinjak Muchammad Hamdani Muhlis Muhlis Muhlis Mutiara Hulwah Nur Fatimah, Siti Patimah, Eva Rosi Esa Mardiyani Siana Ria Sinaga, Apriani Siti Nur Fatimah Vikaliana, Resista Zakaria Hamzah, Zeze Zeze Zakaria Hamzah