Article Per Year (5 Year)
p-Index From 2021 - 2026
0.61
P-Index
This Author published in this journals
All Journal Neraca: Jurnal Ekonomi, Manajemen dan Akuntansi IJEFSD IJHCS
Tumbuan, Willem JF Alfa
Unknown Affiliation
Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Neuroscience

Published : 3 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 3 Documents
Search

 1 
THE INFLUENCE OF PRODUCT COMPLETENESS, OUTLET ATMOSPHERE, SERVICE QUALITY, AND PRICE PERCEPTION ON PURCHASING DECISIONS AT KIMIA FARMA PHARMACY, SAM RATULANGI MANADO Maulana, Gilang Rizki; Tumbuan, Willem JF Alfa; Soepeno, Djurwati
Neraca: Jurnal Ekonomi, Manajemen dan Akuntansi Vol. 3 No. 3 (2024): Neraca: Jurnal Ekonomi, Manajemen dan Akuntansi
Publisher : Neraca: Jurnal Ekonomi, Manajemen dan Akuntansi

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study aims to analyze the effect of product completeness, outlet atmosphere, service quality, and price perception on purchasing decisions at Kimia Farma Sam Ratulangi Manado Pharmacy, both simultaneously and partially. This study uses a descriptive approach with a quantitative method, without comparing or connecting independent variables with other variables. Data were collected through questionnaires distributed to consumers who visited the pharmacy during the last six months, with a total population of 48,359 people. Sampling was carried out randomly, with a minimum of 30 samples and a maximum of 500 samples. The number of samples in this study was 248 people. The analysis methods used were validity, reliability, classical assumptions, hypothesis testing and multiple linear regression analysis using the SPSS version 27 application. Based on the test results, it can be concluded that product completeness, outlet atmosphere, service quality, and price perception simultaneously and partially have a positive and significant effect on purchasing decisions at Kimia Farma Sam Ratulangi Manado Pharmacy.
Analysis of Demand for Domestic Chicken Meat Consumption in North Sulawesi Province, Indonesia Tumbuan, Willem JF Alfa; Jan, Arrazi Hasan; Palandeng, Indrie Debbie
International Journal of Human Computing Studies Vol. 4 No. 2 (2022): IJHCS
Publisher : Research Parks Publishing LLC

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31149/ijhcs.v4i2.2739

Abstract

Chicken meatis a popular food source for the people of Indonesia, even the world. This fact is accompanied by the large amount of chicken meat that has been consumed by the Indonesian people, which is 2.14 million tons and continues to increase based on a survey by the Central Statistics Agency (BPS) in 2018.The increase in demand for chicken meat products in Indonesia is not only influenced by the increase in population, but also by prices, incomes and tastes of the Indonesian people. Based on BPS data, national chicken meat production in Indonesia, between 2012 and 2020 continues to experience a significant increase, but specifically for native chicken meat products, it is still far below the increase in chicken meat production in general. This is also the case in North Sulawesi Province, which is the location of this research. This research, which was conducted in early to mid-2021, aims to analyze demand (the influence of price, income and taste variables) on the consumption of free-range chicken meat in North Sulawesi. The sample in this study were domestic chicken meat consumers in North Sulawesi Province. The results showed that partially or simultaneously the variables of demand used in this study, namely: price, income and taste have a positive effect on the consumption of native chicken meat in North Sulawesi Province.
Effect of Promotional Mix on Credit Card Usage Decisions for Customers of PT BNI (Persero) Tbk Manado Area During the Covid-19 Pandemic Soewarno, Lidya Endah Sugiarti; Tumbuan, Willem JF Alfa; Jan, Arrazi Hasan
International Journal on Economics, Finance and Sustainable Development Vol. 4 No. 6 (2022): IJEFSD
Publisher : Research Parks Publishers

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31149/ijefsd.v4i6.3205

Abstract

The payment system using a credit card is an effort to reduce the use of cash instruments, in addition to debit cards and electronic money. With current technological developments, payment systems made in cash as is generally done, tend to be impractical because they must be provided in various nominal terms. Even the existence of cash becomes a burden on the Central Bank to print and control its circulation. With the ease of doing transactions offered through the use of APMK (Card-Based Payment Instruments), Credit Cards are one of the people's choices in transactions, which shows the development in the number of users. However, since the Covid-19 pandemic, the development of the number of credit card users has shown a decline. This study aims to see how the influence of advertising strategies, sales promotions and personal selling on the decision to use credit cards on customers of PT.BNI (Persero) Tbk Manado Region. The analytical tool used is multiple regressions with the help of SPSS 26 application. The results show that the advertising strategy variable, sales promotion variable, and personal selling have a positive and significant impact on Credit Card Usage Decisions for Customers of PT. BNI (Persero) Tbk Manado Region.
Co-Authors Arrazi Hasan Jan, Arrazi Hasan Djurwati Soepeno Indrie D. Palandeng Maulana, Gilang Rizki Soewarno, Lidya Endah Sugiarti