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International Journal of Quantitative Research and Modeling
Published by Research Collaboration Community
ISSN : 27225046     EISSN : 2721477X     DOI : https://doi.org/10.46336/ijqrm
Core Subject : Science, Social, Engineering,
Computer Science & IT Decision Sciences, Operations Research & Management Engineering Environmental Science Physics
International Journal of Quantitative Research and Modeling (IJQRM) is published 4 times a year and is the flagship journal of the Research Collaboration Community (RCC). It is the aim of IJQRM to present papers which cover the theory, practice, history or methodology of Quatitative Research (QR) and Mathematical Moodeling (MM). However, since Quatitative Research (QR) and Mathematical Moodeling (MM) are primarily an applied science, it is a major objective of the journal to attract and publish accounts of good, practical case studies. Consequently, papers illustrating applications of Quatitative Research (QR) and Mathematical Modeling (MM) to real problems are especially welcome. In real applications of Quatitative Research (QR) and Mathematical Moodeling (MM): forecasting, inventory, investment, location, logistics, maintenance, marketing, packing, purchasing, production, project management, reliability and scheduling. In a wide variety of environments: community Quatitative Research (QR) and Mathematical Moodeling (MM), education, energy, finance, government, health services, manufacturing industries, mining, sports, and transportation. In technical approaches: decision support systems, expert systems, heuristics, networks, mathematical programming, multicriteria decision methods, problems structuring methods, queues, and simulation Computational Intelligence Computing and Information Technologies Continuous and Discrete Optimization Decision Analysis and Decision Support Mathematics Education Engineering Management Environment, Energy and Natural Resources Financial Engineering Heuristics Industrial Engineering Information Management Information Technology Inventory Management Logistics and Supply Chain Management Maintenance Manufacturing Industries Marketing Engineering Markov Chains Mathematics Actuarial Sciences Big Data Analysis Operations Research Military and Homeland Security Networks Operations Management Planning and Scheduling Policy Modeling and Public Sector Production Management Queuing Theory Revenue & Risk Management Services Management Simulation Statistics Stochastic Models Strategic Management Systems Engineering Telecommunications Transportation Risk Management Modeling of Economics And so on
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 373 Documents
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THE IMPACT OF MONETARY EXECUTION ON STOCK RETURN OF NON-BANKING ORGANIZATIONS IN INDONESIA Sheila Najla Syahirah; Muhamad Deni Johansyah; Susan Purnama
International Journal of Quantitative Research and Modeling Vol. 4 No. 1 (2023): International Journal of Quantitative Research and Modeling
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijqrm.v4i1.414

Abstract

This study means to exactly analyze the impact of monetary execution proportions comprising of return on resources (ROA), return on value (ROE), current proportion (CR), the obligation to value proportion (DER), and financial worth added (EVA). to stock returns. The information utilized in this study is optional information, which was gotten from an outsider. The example in this study was chosen utilizing purposive examining which means getting an example as per the ideal measures. The populace in this study is non-banking organizations recorded on the LQ 45 File and the Sri Kehati File on the Indonesia Stock Trade (IDX) from 2015 to 2021. In light of the choice of tests by purposive examining, from various organizations that are individuals from the LQ 45 Record and Sri File Mindfulness, acquired the general example taken is 46 non-banking organizations. The logical model utilized in this study is a various straight relapse model. Concurrent exploration results show that all free factors fundamentally affect stock returns. Somewhat, the ROA, ROE, CR, and DER factors altogether affect stock returns. In the meantime, the EVA variable doesn't altogether affect stock returns.
Impact of Covid-19 Pandemic on Unemployment in Indonesia Sabran Sabran; Apridar Apridar; Muhammad Abrar
International Journal of Quantitative Research and Modeling Vol. 4 No. 1 (2023): International Journal of Quantitative Research and Modeling
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijqrm.v4i1.415

Abstract

The Covid-19 pandemic has had a significant impact on the economy. As a result, many companies were forced to close, and employees lost their jobs. Several economic variables suspected of mediating the impact of the Covid-19 pandemic on unemployment include investment, economic growth, and inflation. This study aims to determine the impact of the Covid-19 pandemic on unemployment in Indonesia either directly or through the mediation of investment, economic growth, and inflation. This research was conducted using panel data regression in 34 provinces in Indonesia in the 2018Q1 – 2021Q4 period. Through path analysis, the results showed that the Covid-19 pandemic has a direct positive impact on unemployment. The economic growth variable significantly mediates the effect of the Covid-19 pandemic on unemployment. Meanwhile, investment and inflation variables do not have a significant effect. This research is expected to provide an objective picture of the impact of the Covid-19 pandemic on unemployment in Indonesia and become a benchmark for policy formulation in dealing with the impact of this pandemic.
Quality Assurance in The Surgical Ward of Hospital X in Bandung During the Covid- 19 Pandemic Richa Noprianty; Fikri Mourly Wahyudi; Wahyu Wahdana; Tata Juarta
International Journal of Quantitative Research and Modeling Vol. 4 No. 1 (2023): International Journal of Quantitative Research and Modeling
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijqrm.v4i1.416

Abstract

Health services are organised to meet the needs and demands of the community. If fulfilled, it will lead to client satisfaction. Hospital X in Bandung had a BOR of 91,67% in 2021 during the Covid-19 era. This BOR surpasses the WHO standard. Thus the quality of service needs to be assessed. The research was conducted to get an overview of the level of patient satisfaction with inpatient services at the surgical ward of Hospital X in Bandung. The study was conducted using an exploratory, descriptive approach to obtain an objective picture. Data was collected by filling out questionnaires to patients and families of 90 people. Samples were selected purposively with inclusion criteria: respondents must be treated for at least three days. The instrument was prepared concerning the “Hospital Service Quality Assurance” guidelines. The results showed that 53.4% of respondents stated that the quality of inpatient services at Hospital X in Bandung was in an outstanding category starting from the aspect of registration, nurse services, medical services, food and menus, comfort and cleanliness, medical facilities to administration, and finance. Health services carried out by hospitals are constantly changing along with the development of science and technology, and hospitals are preparing for hospital accreditation. It is recommended that hospitals continue to improve the quality of their services so that patient satisfaction with the services received can be maintained.
Inventory Control for MSME Products Using the Q Model with Lost Sales Condition Based on Products Sales Forecasting Dita Aulia Nissa; Sudradjat Supian; Julita Nahar
International Journal of Quantitative Research and Modeling Vol. 4 No. 1 (2023): International Journal of Quantitative Research and Modeling
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijqrm.v4i1.417

Abstract

Micro, Small and Medium Enterprises (MSMEs) have an important role in economic development in order to achieve thq quality of economic growth. Intense competition among MSMEs requires MSMEs to have a good inventory control that can help them minimize costs and maximize profits. One of the MSMEs that often experiences problems in inventory control is Sabun Bening Official. To solve the inventory problems in Sabun Bening Official, Holt-Winter Exponential Additive forecasting method is used as a guide to predict future product demand because product demand graph is seasonal and has trend pattern. After getting the value of product demand forecast, inventory control calucaltions are carried out using the Q Model probabilistic inventory method with lost sales condition. The uncertain and fluctuating demand causing the inventory system in Sabun Bening Official is probabilistic and the company will lose sales if it does not able to fulfill customer demands. Based on the research results, product forecasting for the coming period and inventory control policies which include the optimal number of product order, safety stock, reorder point, and product inventory costs can be obtained.
The Effect of Online Communication and Use of Information Systems on Audit Quality Rendi Kusuma Natita; Neni Maryani
International Journal of Quantitative Research and Modeling Vol. 4 No. 2 (2023): International Journal of Quantitative Research and Modeling
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijqrm.v4i2.442

Abstract

During the Covid-19 pandemic it became a challenge for the Public Accounting Firm to carry out audit procedures. During the Covid-19 pandemic, physical meetings or communication between auditors or public accountants and a company's clients were limited, so these meetings, which were generally held face-to-face, became online meetings. The main obstacle for auditors or public accountants during the Covid-19 pandemic is that the audit procedures that must be carried out for the 2020 financial statements will be different from the previous year. In general, audit engagements or communication with clients to obtain audit evidence is carried out face-to-face, but to reduce the spread of the Covid-19 virus, such communication is carried out online. Of course, these communication issues must still be guided by Auditing Standard 260 regarding communication with those charged with governance. This study aims to determine the effect of online audit communication and the use of information systems on audit quality. This research is research with the aim of testing the hypothesis. Studies that engage in hypothesis testing usually explain the nature of a particular relationship or determine the independence of two or more factors in a situation. This study uses an explanatory method where the researcher wants to find the cause of one or more problems. This study aims to determine the effect of online audit communication and the use of information systems on audit quality. This research is research with the aim of testing the hypothesis. Studies that engage in hypothesis testing usually explain the nature of a particular relationship or determine the independence of two or more factors in a situation. This study uses an explanatory method where the researcher wants to find the cause of one or more problems. This study aims to determine the effect of online audit communication and the use of information systems on audit quality. This research is research with the aim of testing the hypothesis. Studies that engage in hypothesis testing usually explain the nature of a particular relationship or determine the independence of two or more factors in a situation. This study uses an explanatory method where the researcher wants to find the cause of one or more problems.
Optimum Fund Allocation Strategy by Considering the Company's Assets and Liabilities Qurrotu Aini; Dwi Susanti; Riaman Riaman
International Journal of Quantitative Research and Modeling Vol. 4 No. 3 (2023): International Journal of Quantitative Research and Modeling
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijqrm.v4i3.444

Abstract

Investment is essentially placing some funds at present with the expectation of future profits. The basic thing that an investor needs to know is that there is a risk that follows the profit/return. In determining the proper allocation of funds, an investor needs to consider the company's assets and liabilities. Company assets can be in the form of shares, property, and others. Meanwhile, the company's liabilities include debts and other obligations. One of the sectors whose company value has stagnated or increased during the Covid-19 Pandemic is the financial sector. Securities companies are a sub-sector of the financial sector which has a fairly strong position during the Pandemic. This research aims to determine the weight of fund allocation in each company forming the optimum portfolio and to see the effect of the company's assets and liabilities on the formation of the optimum portfolio. One of the methods used is the Lagrange Multiplier method for model formulation. The results of this study show that the optimal portfolio weight of PANS companies is 16.31% with an allocation of funds amounting to Rp163.612.976,00, the optimum portfolio weight of RELI companies is 83.003% with an allocation of funds of Rp830.029.681,00, and the optimum portfolio weight of TRIM companies is 0.636% with the allocation of funds amounting to Rp6.358.243,00. In this study, it was also found that the greater the percentage difference between the company's assets and liabilities, the greater the company's optimum portfolio weight.
The Effect of Sugar Solution Concentration on Characteristics of Candied Dried Tomatoes (Solanum lycopersicum L.) Ida Ningrumsari; Moch Alhikam Afrijal R; Rimba Tsania Nurulhusna
International Journal of Quantitative Research and Modeling Vol. 4 No. 2 (2023): International Journal of Quantitative Research and Modeling
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijqrm.v4i2.445

Abstract

Tomatoes are a type of food that has high production and is a perishable food. In addition, the utilization of processed tomatoes as a food source is still not optimal. So, it is necessary to do the right food processing on tomatoes, one of which is processed into dried candied. The purpose of this study was to determine the concentration of sugar solution, so as to produce dried candied with good characteristics. The research was conducted at the Chemistry Laboratory and Food Processing Laboratory, Faculty of Agriculture, Ma'soem University from May to July 2022. The method used is the old experimental method, namely the Randomized Block Design (RBD) consisting of 6 (six) treatments and each repeated 4 (four) times. The treatments given were concentration A (40%), B (45%), C (50%), D (55%), E (60%), F (65%). The analysis in this study included water content, total dissolved solids. Meanwhile, organoleptic testing was carried out on the color, aroma, taste, and hardness of the dried candied produced. The results showed that the concentration of sugar solution had a significant effect on water content, total dissolved solids, and organoleptic properties. Only partially significant influenced the organoleptic properties of the dried candied produced. The results of the study can be concluded that the concentration of 55% sugar solution produces good characteristics of candied dried tomatoes, this determination is based on the level of color preference of 3.97, aroma of 4.38 and taste of 4.48 from a maximum value of 5.00, moisture content of 9.04% and total dissolved solids content of 62.80%. 
Analysis of the Marketing Channel of Palasari Arabica Coffee Beans Cecep Pardani; Waliah Mulyatillah; Luthfia Nur Fadhillah
International Journal of Quantitative Research and Modeling Vol. 4 No. 2 (2023): International Journal of Quantitative Research and Modeling
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijqrm.v4i2.446

Abstract

The coffee agro-industry has enough opportunities significant for conducted development where Thing could see from amount starting request increase. Ground coffee is one of the results of processing from coffee beans that have prospects as well as good market opportunities. This study aims to determine: Arabica coffee bean marketing channels in Giri Mekar Village, Cilengkrang District, Bandung Regency; The amount of Arabica coffee bean marketing margin at the level of Arabica coffee marketing agency in Giri Mekar Village, Cilengkrang District, Bandung Regency; The costs and benefits of Arabica coffee marketing in Giri Mekar Village, Cilengkrang District, Bandung Regency; Farmer's Share Arabica coffee in Giri Mekar Village, Cilengkrang District, Bandung Regency. The type of research used is a survey. Respondents in this study were 10% of Arabica coffee farmers in Giri Mekar Village as many as 30 people, 1 person collecting traders, and 5 industrial consumers. The results of this study indicate that there is one marketing channel for robusta coffee beans in Giri Mekar Village, Cilengkrang District, Bandung Regency, namely farmers, collector traders, and industrial Consumers. The amount of marketing margin on the marketing channel is IDR 75,000 per kilogram. The amount of marketing costs in the marketing channel is IDR 46,500 per kilogram. The marketing profit on the marketing channel is IDR 29,500 per kilogram. Farmer's Share on the marketing channel is 16.67%
Determination of Insurance Premiums to Mitigate the Risk of Company Losses Due to Supplier Failure Using Black-Scholes-Merton Model Jessica Novia Sitepu; Betty Subartini; Sukono Sukono
International Journal of Quantitative Research and Modeling Vol. 4 No. 4 (2023): International Journal of Quantitative Research and Modeling
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijqrm.v4i4.447

Abstract

The Micro and Small Enterprises (MSMEs) sector in Indonesia has made a significant contribution to the Indonesian economy. However, MSMEs in Indonesia face various challenges that may occur in the future, for example, supplier failure. Therefore, it is essential to determine the right form of risk mitigation to reduce the impact of supplier failure for MSMEs, and one such approach is to have insurance. This study aims to calculate the premium price using the Black-Scholes-Merton model approach. The data used is the aggregate losses experienced by MSMEs fostered partners of PT Wijaya Karya (Persero) Tbk. Data simulation was generated on lognormal distribution to determine the premium price. The application of the Black-Scholes-Merton model on the calculations showed that MSMEs have to pay a premium of IDR 4.165.061 for one year.
Feasibility Analysis and Break Even Point Celery Farming (Apium graveolens L.) Hydroponic Deep Flow Technique (DFT) System (Case Study on a Farmer in Kayuambon Village, Lembang District, West Bandung Regency) Tito Hardiyanto; Rena Riswana; Arneta Arneta
International Journal of Quantitative Research and Modeling Vol. 4 No. 2 (2023): International Journal of Quantitative Research and Modeling
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijqrm.v4i2.448

Abstract

Medicinal properties. The celery plant also contains many apiin glycosides (flavone glycosides, isoquercetin, and umbelliferons. It also contains, mannite, inocytes, asparagine, glutamine, choline, linamarose, pro vitamin A, vitamin C, and B. This study aims to determine the cost, R/C Ratio, break-even point (BEP) of celery hydroponic farming system with deep flow technique (DFT). The analysis method used in this study is quantitative analysis by calculating and detailing the analysis of costs, income and receipts, feasibility, and break-even points. The results showed that the cost of the hydroponic agricultural system was Rp. 2,213,720.6. The R/C Ratio is 1.01, so the agricultural system is feasible. The break-even point (BEP) for receipts amounted to Rp. 2,160,006.45 while real receipts amounted to Rp. 2,224,800. This means that this agricultural system still benefits Rp. 64. 733.55. The break-even point for production is 184.48 Kg, while the actual production is 185.4 Kg. This means that production provides a benefit of 0.92 Kg. Break-even point selling price is Rp. 11,940.24/Kg while the actual selling price is Rp. 12,000/Kg. This agricultural system provides benefits of Rp. 60/Kg.

Page 34 of 38 | Total Record : 373

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