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Quantitative Economics and Management Studies
Published by PT. Mattawang Mediatama Solution
ISSN : -     EISSN : 27226247     DOI : https://doi.org/10.35877/qems
Core Subject : Economy, Science, Education,
Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Mathematics
Journal of Quantitative Economics and Management Studies (QEMS) is an international peer-reviewed open-access journal dedicated to interchange for the results of high-quality research in all aspects of economics, management, business, finance, marketing, accounting. The journal publishes state-of-art papers in fundamental theory, experiments, and simulation, as well as applications, with a systematic proposed method, sufficient review on previous works, expanded discussion, and concise conclusion. As our commitment to the advancement of science and technology, the QEMS follows the open access policy that allows the published articles freely available online without any subscription.
Arjuna Subject : Ilmu Ekonomi, Ekonometrika dan Keuangan (semua kategori) - Ilmu Ekomomi dan Ekonometrika
Articles 20 Documents
 1   2 
Search results for , issue "Vol. 4 No. 4 (2023)" : 20 Documents clear
The Influence of Brand Image, Price, and Product Quality on Consumers' Interest to Buy on Smartfren Quota Card in Rantauprapat Hutabarat Tania Br; Nasution Zulkarnain; Hanum Fauziah
Quantitative Economics and Management Studies Vol. 4 No. 4 (2023)
Publisher : PT Mattawang Mediatama Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35877/454RI.qems1808

Abstract

This study aims to analyze the effect of brand image, price and product quality on consumer buying interest on Smartfren quota cards in Rantauprapat. The research method used in this research is quantitative. In this study, the population is Smartfren Rantauprapat Quota Card consumers how much is unknown. The research sample using the incidental sampling technique is a sampling technique based on chance, that is, anyone who happens to meet the researcher can be used as a sample, if it is deemed that the person met by chance is suitable as a data source. This study uses a non-probability sampling technique because the population size is unknown, and purposive sampling is used as a sampling technique. Because the number of members of the population is not known with certainty, the sample size is calculated by the Cochran formula with a sample of 96 people. Data collection techniques used were observation, documentation studies and questionnaires. The method of analysis of this research is multiple linear regression with the SPSS program. The results of the study prove that brand image has a positive and significant effect on consumer buying interest on the Smartfren Quota Card in Rantauprapat. Price has a negative and significant effect on Consumer Purchase Interest on Smartfren Quota Cards in Rantauprapat. Product quality has a negative and significant effect on consumer buying interest on Smartfren Quota Cards in Rantauprapat. Brand Image, Price and Product Quality simultaneously have a positive and significant effect on Consumer Purchase Interest on Smartfren Quota Cards in Rantauprapat. The coefficient of determination of 0.375 means that Consumer Purchase Interest can be explained by the variables Brand Image (X1), Price (X2) and Product Quality (X3) of 37.5 %, while the remaining 62.5% can be explained by other variables not examined in this study. this research.
Does It Have A Transportation Infrastructure Increasing Regional Economic Growth on Indonesia? (Spatial Spillover Effect Analysis) Ahmad Sandi Nurmansyah; Uka Wikarya
Quantitative Economics and Management Studies Vol. 4 No. 4 (2023)
Publisher : PT Mattawang Mediatama Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35877/454RI.qems1811

Abstract

This study aims to analyze the effect of transportation infrastructure on economic growth in 33 provinces in Indonesia by using spatial panel data. Spatial panel data combines spatial (spatial) and time (panel) dimensions in its analysis. Spatial panel data can accommodate heterogeneity between provinces and spatial autocorrelation in the model. The model used in this study is the Spatial Durbin Model (SDM), which includes the effect of spatial interaction between the dependent and independent variables and the lag of the independent variable. The study results show that transportation infrastructure, including capital accumulation, labor, length of national roads, ship visits to ports, and airport loading and unloading, positively and significantly affects economic growth in a province and its neighboring provinces through spatial interactions. However, the increase in capital accumulation and the length of national roads in neighboring provinces has a negative and significant effect on economic growth in a province. This research recommends several policies to enhance the development of transportation infrastructure in Indonesia, such as encouraging cooperation between the government and the private sector, increasing the availability and quality of the workforce, and improving the existing transportation infrastructure. Transportation infrastructure development must focus on connectivity, quality, capacity, equity, and inclusiveness between islands and regions to increase collaboration, efficiency, reliability, and prosperity in the regional economy.
Economic Feasibility Analysis Based on Reservoir Storage Capacity on the Construction of the Rongkong Multipurpose Dam Elang Timur M. Patih Ragananda; Ussy Andawayanti; Evi Nur Cahya
Quantitative Economics and Management Studies Vol. 4 No. 4 (2023)
Publisher : PT Mattawang Mediatama Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35877/454RI.qems1817

Abstract

The construction of Rongkong Multipurpose Dam located in North Luwu Regency, South Sulawesi aims to provide irrigation water, water supply, and increase electricity production capacity through hydropower with 6 construction sites under consideration. Economic feasibility analysis was carried out to obtain construction sites that have the best economic feasibility objectively. In this analysis, the parameters of Net Present Value (NPV), Internal Rate of Return (IRR), Payback Period (PP), and Benefit-Cost Ratio (BCR) were calculated by considering the reservoir storage capacity in each sites. The result from this analysis shows that Site Tandung 2 is the location that has the best economic feasibility with reservoir capacity of 23,400 million m3 and Benefit- Cost Ratio (BCR) of 2.490.
The Influence of Social Media Marketing on Wardah's Product Buying Interest mediated by Customer Trust Azan Rahmat Muhammad; Teguh Widodo
Quantitative Economics and Management Studies Vol. 4 No. 4 (2023)
Publisher : PT Mattawang Mediatama Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35877/454RI.qems1820

Abstract

The study of the use of social media in the business world is becoming an increasingly attractive theme for business people and academics because the platform has the potential to increase business success. This study aims to investigate the effect of marketing activities that utilize social media features on interest in buying cosmetic products. This influence is thought to be mediated by the level of customer trust. A structural equation model (SEM) is established to examine the causal connection between the three variables. This model consists of four hypotheses, which will be tested using a sample of 200 quantitative data. The ordinal data was obtained from Wardah respondents who were asked to take part in an online survey by selecting 5 perception scales from 19 question items. After the survey data is declared valid and reliable and meets the Goodness of Fit requirements, the hypothesis is tested using the T-test criteria. The PLS software used to carry out all of these tests informs that all hypotheses are accepted, namely that Social Media Marketing activities have a positive and significant effect on Purchase Intention, both directly and indirectly, namely through Customer Trust. This significant indirect effect means that Social Media has a positive and significant effect on Customer Trust, and Customer Trust has a positive and significant effect on Purchase Intention. In other words, Customer Trust significantly mediates the influence of Social Media on Purchase Intention.
Analysis of the Effect of World Crude Oil Prices, Exchange Rates, Inflation, Dow Jones Industrial Average, and the Nikkei 225 Index on the Composite Stock Price Index M. Rizki Nasution; Rujiman Rujiman; Ahmad Albar Tanjung
Quantitative Economics and Management Studies Vol. 4 No. 4 (2023)
Publisher : PT Mattawang Mediatama Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35877/454RI.qems1825

Abstract

This study aimed to analyze and determine the effect of world crude oil prices of the WTI type, Exchange Rate, Inflation, Dow Jones Industrial Average Index, and Nikkei 225 Index on the Composite Stock Price Index. The data collection technique in this study uses the Correction Model (ECM) method. The results of this study indicate that the application of the error correction model (ECM) that has been used can provide an explanation of the influence of world crude oil prices, exchange rates, inflation, Dow Jones Industrial Average, and Nikkei 225 Index on the Composite Stock Price Index. Overall in the long-term model the variable world crude oil prices, exchange rates, inflation, dow jones industrial average, and nikkei 225 index has a variation of 0.784464 or 78.44% able to simultaneously or together affect the value of the composite stock price index, while the remaining 21.56% is influenced by variables outside this variable. The short-term model has a negative and significant effect on the composite stock price index, this is indicated by a probability value that is less than the 5% significance value (0.0378 <0.05). Simultaneously the variable world crude oil prices, exchange rates, inflation, dow jones industrial average, and nikkei 225 index has a variation of 0.430077 or 43% where the variation in the development of up or down can jointly affect the value of the composite stock price index, while the remaining 57% is influenced by variables outside this research variable.
Analysis of the Working Capital Management Effects on Profitability (Case Study of Property and Real Estate Companies Listed in OSIRIS Year 2017-2021) Juita Tiur Napitupulu; Moch. Doddy Ariefianto
Quantitative Economics and Management Studies Vol. 4 No. 4 (2023)
Publisher : PT Mattawang Mediatama Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35877/454RI.qems1828

Abstract

This study aims to determine the effect of working capital, receivable turnover, and inventory turnover on profitability in property companies listed on OSIRIS for 2017-2021. This type of research used quantitative methods. The data collection method employed the literature study and the documentation methods. The sampling technique was a purposive sampling of 30 companies. The research subjects involved Manufacturing Companies in the Property & Real Estate Sector listed in OSIRIS for the 2017-2021. The study's results indicated an effect of working capital, receivable turnover, and inventory turnover on profitability in property companies listed in OSIRIS year 2017-2021.
Building Information Modeling (BIM) Implementation Strategy in Construction Service Companies Dwi Fatkhurohman; Rizqiah Insanita
Quantitative Economics and Management Studies Vol. 4 No. 4 (2023)
Publisher : PT Mattawang Mediatama Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35877/454RI.qems1829

Abstract

This paper determines and analyzes related to the strategy for implementing Building Information Modeling (BIM) on the Hamawas Toll Road, the General Civil Division (DSU) of PT Hutama Karya (Persero). The background to this strategy was determined by the inhibiting factors for BIM implementation, such as the quality of human resources (HR), implementation methods, and implementation costs. The analysis was carried out using the Analytic Hierarchy Process (AHP) way, which describes complex problems in a multi-level structure to the last level of the alternatives. Level 1 consists of inhibiting factors for BIM implementation. In contrast, level 2 is a sub-criteria of level 1 which consists of work culture, HR capabilities, BIM system implementation, CDE platform utilization, BIM system operating procedures, BIM software, and hardware costs.. The results of the study show that the best strategy based on level 1 is HR quality with a Consistency Ratio (CR) value of 0.02, level 2 is HR capability with a CR value of 0.02, and the alternative is to make BIM legality with a CR value of 0.02. The CR value is less than 0.1, so the data is valid and can be used.
Subcontractor Selection Strategy to Minimize Subcontractor Performance Problems Using Analytical Hierarchy Process Method: Case Study at PT. Hutama Karya Infrastruktur Rohmat Danang Nur Riyadi; A Arviansyah
Quantitative Economics and Management Studies Vol. 4 No. 4 (2023)
Publisher : PT Mattawang Mediatama Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35877/454RI.qems1830

Abstract

The construction industry shares about 13,4% of the world output in the business field. Subcontractor selection process will have a major effect on the performance results of a construction project. This study will focus on the subcontractor selection strategy to minimize subcontractor performance problems using the Analytical Hierarchy Process (AHP) method assisted by expert choice software in PT. Hutama Karya Infrastruktur. AHP is widely used in construction management research because its permanent ability to deal with many types of decisions. There are five criteria used as research variables, namely price, administration, resources, performance and quality, and partnership strategy. The results showed that price is not the top priority in choosing subcontractors, but the top priorities are performance and Quality, Health, Safety, Security, and Environment (QHSSE). The main sub-criteria on performance and QHSSE are work method and production capacity, this shows that the way of completion or work method and production capacity of equipment or supporting equipment of subcontractors in working on a project were the main priorities.
Inventory Control of Cotton Combed 30s Raw Materials to Minimize the Total Inventory Cost of MSMEs Kamal Konveksi Central Lombok Randitya Maulana; Sumiati Sumiati
Quantitative Economics and Management Studies Vol. 4 No. 4 (2023)
Publisher : PT Mattawang Mediatama Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35877/454RI.qems1848

Abstract

This study aims to control the cotton combed 30s raw materials inventory in Kamal Convection MSMEs in Central Lombok using the EOQ (Economic Order Quantity) and POQ (Period Order Quantity) methods to minimize the total inventory cost. The EOQ and POQ methods are proposed as suggestions for the most optimal improvement of inventory control. The calculations using the company's method show that the purchased quantity of cotton combed 30s raw material supplies an average of 1.843 kg with a purchase frequency of 12 times a year, and a total inventory cost of Rp. 19.363.400. The proposed EOQ method reveals the quantity of inventory purchased is 3.463 kg with a purchase frequency of 6 times in one year, and the total inventory cost is Rp. 13.157.959. Meanwhile, the proposed POQ method indicates the quantity of inventory purchased is 11.059 kg with a purchase frequency of 2 times in one year, and the total inventory cost is Rp. 23.072.100. Based on the calculation results, the use of the EOQ method is the most optimal purchase of cotton combed 30s raw materials to reduce inventory costs. The difference in total inventory cost between the EOQ method and the proposed POQ method is Rp. 9.914.141. The total inventory cost difference between the EOQ and company methods is Rp. 6.205.441. Based on this analysis, controlling the inventory of raw material for cotton combed 30s at Kamal Convection is relatively ineffective. Based on the results of the calculation analysis using the EOQ method, it is the most optimal method for reducing the cost of supplying raw material for cotton combed 30s at Kamal Konveksi.
Implementation of Exponential Smoothing in Forecasting the Export Value Price of Oil and Gas in Indonesia Ansari Saleh Ahmar; Abdul Rahman; Sitti Masyitah Meliyana R.; Rusli Rusli; Nachnoer Arss; Alok Kumar Panday
Quantitative Economics and Management Studies Vol. 4 No. 4 (2023)
Publisher : PT Mattawang Mediatama Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35877/454RI.qems1022

Abstract

This study aims to predict the value of oil and gas export prices in Indonesia using exponential smoothing. Exponential smoothing was applied because the data analysis revealed that the data consisted of trends and seasonal components. This study uses secondary data obtained from the website of the Central Bureau of Statistics of the Republic of Indonesia, covering the value of oil and gas exports in Indonesia every month from January 2010 to March 2022. The study obtained the exponential smoothing parameters, including α = 0.5153984, β = 0.06410119, and g = 0.7137603, with a seasonal length of L = 12. The forecast for the next five periods in millions of US$: April 2022 (1111.765), May 2022 (1250.465), June 2022 (1405.016), July 2022 (1447.510), and August 2022 (1452.984).

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