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All Journal Jurnal Informatika Paradigma JURNAL PENDIDIKAN TAMBUSAI IKRA-ITH EKONOMIKA Jurnal Mantik Enrichment : Journal of Management STUDI PELAKSANAAN SELFMEDICATION PADA PENDERITA DIARE BERDASARKAN TINGKAT PENGETAHUAN MASYARAKAT PESISIR KECAMATAN SOROPIA KABUPATEN KONAWE Jurnal Restikom : Riset Teknik Informatika dan Komputer Jurnal Abdimas Komunikasi dan Bahasa Jurnal Administrasi Bisnis (J-Adbis) Indonesian Journal of Networking and Security - IJNS CKI On Spot Madani: Multidisciplinary Scientific Journal Socius: Social Sciences Research Journal International Journal of Advance Social Sciences and Education (IJASSE) Jurnal Intelek Dan Cendikiawan Nusantara Jurnal Manajemen dan Administrasi Antartika Income Journal of Economics Development Jurnal Cakrawala Akademika JMAEKA: Jurnal Manajemen Ekonomi Akuntansi Jurnal Ecodemica : Jurnal Ekonomi Manajemen dan Bisnis Jurnal Ilmiah Ekonomi dan Manajemen Indonesia
Mahmud Syarif
Universitas Bina Sarana Informatika
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Journal : income journal of economics development

 1 
Pengaruh Promosi Diskon dan Live Streaming terhadap Keputusan Pembelian pada Pengguna Tiktok Shop di Kecamatan Cengkareng Wulan Puji Lestari; Mahmud Syarif; Desy Tri Anggarini
Income Journal Of Economics Development Vol. 6 No. 2 (2026): July 2026
Publisher : Pustaka Digital Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54065/ijed.6.2.2026.869

Abstract

The rapid development of information technology and the internet has transformed consumer shopping behavior from conventional shopping to online shopping through e-commerce platforms, one of which is TikTok Shop. Various marketing strategies, such as discount promotion and live streaming, are utilized by businesses to attract consumers and encourage purchasing decisions. This study aims to analyze the influence of discount promotion and live streaming on purchasing decisions among TikTok Shop users in Cengkareng District, both partially and simultaneously. This research employed a quantitative method with a survey approach. Data were collected through questionnaires distributed to 100 respondents selected using a purposive sampling technique, with the sample size determined using the Lemeshow formula. The data were analyzed using IBM SPSS Statistics version 27 through validity testing, reliability testing, classical assumption tests (normality, multicollinearity, heteroscedasticity), multiple linear regression analysis, t-test, F-test, and coefficient of determination analysis. The results show that all instrument items are valid and reliable, the regression model meets the classical assumptions, and discount promotion and live streaming have a positive and significant effect on purchasing decisions, both partially (t = 2.571 and t = 5.607) and simultaneously (F = 69.321). The coefficient of determination (Adjusted R Square) of 0.580 indicates that 58% of purchasing decisions can be explained by the two variables, while the remaining 42% is influenced by other factors outside this study, such as product quality, price, and consumer trust.
Pengaruh Promosi dan Persepsi Kemudahan terhadap Keputusan Pembelian pada Pengguna Marketplace Shopee di Kecamatan Cengkareng Annita Ayuningsari; Mahmud Syarif; Desy Tri Anggarini
Income Journal Of Economics Development Vol. 6 No. 2 (2026): July 2026
Publisher : Pustaka Digital Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54065/ijed.6.2.2026.876

Abstract

The rapid growth of online marketplaces in Indonesia has intensified competition among e-commerce platforms, encouraging companies to understand the factors influencing consumers' purchasing decisions. Promotion and perceived ease of use are considered important factors affecting purchasing decisions among Shopee marketplace users. This study aims to analyze the influence of promotion and perceived ease of use on purchasing decisions among Shopee marketplace users in Cengkareng District, West Jakarta. This study employed a quantitative research method. The sample consisted of 100 respondents selected using a purposive sampling technique. Data were collected through questionnaires and analyzed using validity tests, reliability tests, classical assumption tests, multiple linear regression analysis, t-tests, F-tests, and the coefficient of determination with the assistance of SPSS version 26. The results indicate that promotion and perceived ease of use have a positive and significant effect on purchasing decisions, both partially and simultaneously. Perceived ease of use has a greater influence on purchasing decisions than promotion. Furthermore, the two independent variables explain 62.8% of the variation in purchasing decisions, while the remaining 37.2% is influenced by other factors outside the research model. Therefore, improving promotional strategies and enhancing the ease of use of the Shopee application can increase consumers' purchasing decisions.
Pengaruh Customer Relationship Management dan Kualitas Pelayanan terhadap Loyalitas Pelanggan pada PT Sinar Biru Sentosa, Jakarta Aziyah Miftakhatun Jannah; Mahmud Syarif; Desy Tri Anggarini
Income Journal Of Economics Development Vol. 6 No. 2 (2026): July 2026
Publisher : Pustaka Digital Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54065/ijed.6.2.2026.880

Abstract

This study aims to examine the influence of Customer Relationship Management and service quality on customer loyalty at PT Sinar Biru Sentosa, Jakarta, both partially and simultaneously. The study was motivated by the phenomenon of fluctuating customer loyalty, evidenced by a decline in repeat purchase frequency and an increase in customer complaints regarding delivery delays and suboptimal service responsiveness. A quantitative approach was employed using multiple linear regression analysis assisted by SPSS 26 software. The study population comprised all 133 active customers of PT Sinar Biru Sentosa, Jakarta, with a sample of 100 respondents determined using Slovin's formula via simple random sampling. The findings indicate that Customer Relationship Management has a positive and significant effect on customer loyalty, with a significance value of 0.000 (< 0.05). Conversely, service quality does not show a significant effect on customer loyalty, with a significance value of 0.498 (> 0.05). Simultaneously, Customer Relationship Management and service quality significantly influence customer loyalty, contributing 15.6%, while the remainder is influenced by factors outside the scope of this study model.
Co-Authors Ananto Krisna Wardhana Andri Rizko Yulianto Anggraini, Desy Tri Annita Ayuningsari Antonius Yadi Kuntoro Aprilia Virginia Aryesti Bulan Ari Abdilah Asyfah Indriani Aziyah Miftakhatun Jannah Dany Rahman Darul Annas Septihan Deny Novianti Desy Tri Anggarini Dewi Hudiyah Dinda Sukmawati Putri Eddy Kusnadi Elah Nurlelah Elvira, Lela Esya Fitri Fuad Nur Hasan Hendy Hendy Hendy Hendy Hermanto Hermanto Hieronimus Erwin Indrawan Lela Elvira Lela Elvira Lestari Yusuf Mety Titin Herawaty Narti Narti Novelista Welmince Ataupah Nur Rahmayani Nurlela Nurlela Putri Efliza, Sheira Angelina Putri Izhari Ramdhona Rachmat Fadly Rahmadianti, Rosi Novita Rahman, Dany Rifky Permana RIZA FAHLAPI S, Sariah Sadeli, Melly Silviany Sani, Syika Putri Siti Nurlela Slamet Heri Winarno Sriyadi Sriyadi T, Trihana Woro Dwi Hartanty Wulan Puji Lestari Yudha Al Paksi Yudha Febri Al Paksi Yudiana, Eka Mega Putri