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All Journal INTELEKTIUM JUDICIOUS: Journal of Management
Matdio Siahaan
Universitas Bhayangkara
Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Mathematics Other

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Analisis Pengendalian Persediaan Bahan Baku dengan Menggunakan Metode EOQ pada PT Sigma Indonesia MFG Elsa Fitriyani; Matdio Siahaan
JUDICIOUS Vol 1 No 2 (2020): Judicious
Publisher : Neolectura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37010/jdc.v1i2.141

Abstract

The aim of this research is to find out whether the control of raw material inventory at PT Sigma Indonesia Manufacturing is efficient or not. The main raw material used by PT Sigma Indonesia Manufacturing is 8.0 diameter STKM material. PT Sigma Indonesia Manufacturing processes the STKM diameter 8.0 material into finished goods, namely Collar 8.0. Problems faced by companies in relation to raw material supplies include the optimal purchase of raw materials, safety supplies, and the total cost of raw material supplies. To answer the existing problems, the author uses the EOQ (Economical Order Quantity) method. This analysis consists of the optimal purchase of raw materials, safety stock, and Total Inventory Cost. The calculation of optimal raw material purchases uses the EOQ (Economical Order Quantity) method, the calculation of safety stock is calculated using a standard deviation while the Total Inventory Cost is calculated using Microsoft Excel. The data used are data on the purchase and use of Collar 8.0 raw materials during the period January 2016 to December 2018. The results obtained after EOQ calculations are the amount of economical raw materials for each purchase in 2016 amounted to 278 sticks, 2017 totaled 284 sticks, 2018 a total of 285 cigarettes. Total Inventory Cost according to the EOQ calculation in 2016 amounted to Rp165,591, in 2017 amounted to Rp168.754, in 2018 amounted to Rp169.325. Total Inventory Cost incurred by the company in 2016 was Rp215.268, 2017 amounted to Rp219.380 , in 2018 amounting to Rp220.122.
The Pengaruh Duta Merek, Kepercayaan dan Iklan terhadap Keputusan Pembelian padaE-commerce Tokopedia (Studi Kasus pada Pengguna E-commerce Tokopedia di Fakultas Ekonomi dan Bisnis Universitas Bhayangkara Jakarta Raya) Rival Aria Putra; Matdio Siahaan
INTELEKTIUM Vol 3 No 2 (2022): INTELEKTIUM
Publisher : Neolectura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37010/int.v3i2.860

Abstract

This study is to determine the effect of ambassadors, trust and advertising on purchasing decisions on Tokopedia E-commerce. This research is a quantitative study where the object used is a student of the Management Study Program, Faculty of Economics and Business, Ubhara Jaya users of E-commerce Tokopedia. This research was conducted using non-probability sampling with purposive sampling method. And as for the number of samples used is 93, but after distributing the online questionnaire, 112 samples have been obtained and those that are included in the criteria for the last study have been determined for the study the number of 93 samples. While the data analysis technique used is multiple regressionwhich begins with validity and reliability tests, then classical assumption test which contains multicollinearity test, heteroscedasticity test, and normality test. And finally, there is a hypothesis test that uses the t-test. data was processed using IBM SPSS Statistics V23. The results show that: (1) Partially brand ambassadors have nopositive and significant effect on purchasing decisions on E-commerce Tokopedia, (2) partially trust has a positive and significant effect on purchasing decisions on E-commerce Tokopedia, (3) partially advertising hasa positive and significant effect on purchasing decisions on E-commerce Tokopedia.
Co-Authors Elsa Fitriyani Rival Aria Putra