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All Journal Journal of Accounting and Management Innovation Feedforward: Journal of Human Resource Jurnal Ekonomi Journal of Accounting and Management Innovation JEMSI (Jurnal Ekonomi, Manajemen, dan Akuntansi) Prosiding Konferensi Nasional PKM-CSR
Shu, Efin
Universitas Pelita Harapan Medan Campus, Sumatera Utara
Humanities Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Nursing Public Health Social Sciences Other

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Journal : Jurnal Ekonomi

 1 
CUSTOMER'S RESPONSES TOWARDS IN-VEHICLE COUPON RECOMMENDATION AN IMPLEMENTATION OF BUSINESS ANALYTICS CONCEPT Genesis Sembiring Depari; Efin Shu; Cut Alya Fachriza; Joceline Chow; Jerica Wijaya; Ryanto Winata
Jurnal Ekonomi Vol. 11 No. 02 (2022): Jurnal Ekonomi, Periode September 2022
Publisher : SEAN Institute

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Abstract

Marketers are constantly searching for innovative tactics to increase sales performance. One of the most popular methods is through offering coupons to potential customers. However, selecting the most potential customers is not an easy task. Customer selection and segmentation become urgently important for business. To tackle these problems, an application of business analytics method is introduced. Besides, 3 machine learning algorithms such as random forest, naive bayes, and decision tree were utilized in predicting the likelihood of coupon to be accepted by users. Eventually, Random forest was found as the most accurate algorithm with the highest prediction accuracy
THE INFLUENCE OF CULTURAL, SOCIAL, BRAND IMAGE, AND PERCEPTION OF QUALITY ON PURCHASING DECISION AT JINJJA CHICKEN Efin Shu; Angellica Nathania Benida
Jurnal Ekonomi Vol. 12 No. 3 (2023): Jurnal Ekonomi, 2023, September
Publisher : SEAN Institute

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Abstract

Jinjja Chicken is a restaurant with a main menu of Korean fried chicken. The restaurant experienced a decrease in revenue due to increasing competition from other Korean restaurants. Customers have several factors in terms of shaping consumer behavior, one of which is culture and social. The development of Korean restaurants in the city of Medan is increasingly developing. At present the development of Korean restaurants in Medan makes Jinjja Chicken has an urgency to improve its image. There are still problems at Jinjja Chicken experienced by consumers who have not received optimal service. The purpose of this study was to determine the influence of cultural, social, brand image, and perceived quality on purchasing decisions. This research was conducted using quantitative, descriptive, and causal methods. The test results have passed the validity, reliability, classic assumption tests of normality, multicollinearity, and heteroscedasticity tests. The population used is all customers of Jinjja Chicken and the total sample is 140 respondents using convenience sampling. The results of hypothesis testing show that culture, social, brand image, and perceived quality have positive and significant effect on purchasing decisions partially and simultaneously so that the hypotheses H1, H2, H3, H4 are accepted. The coefficient of determination is 55.5% and the rest is influenced by other variables not examined. Recommendations for Jinjja Chicken are adding other menus that are in accordance with Korean culture, providing special room for family events, providing promotional programs to consumers, implementing hygiene and safety standards in handling food, and implementing loyalty program for customers.
Co-Authors Angellica Nathania Benida Augustinus, Daniel Cut Alya Fachriza Daniel Augustinus Depari, Genesis Sembiring Gumulya, Devanny Hartanto Indarto Indarto Irvin Aditya Parapak Jerica Wijaya Joceline Chow Luther Tjunawan Nabila Andini Nareswari Roy Setiawan Ryanto Winata Silvia Ekasari Yahya Yusuf Ronny Edward