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Siti Aminah
Universitas Pembangunan Nasional “Veteran” Jawa Timur, Surabaya, Indonesia
Economics, Econometrics & Finance

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The Influence of Country of Origin, Brand Image, and Product Quality on Purchasing Decisions for Cosrx Skincare Luqy Aizzatul Fakhiroh; Siti Aminah
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 8 No 1 (2025): Sharia Economics
Publisher : Universitas KH. Abdul Chalim Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v8i1.5492

Abstract

Skincare has developed rapidly in the last few years, the skincare brands available are very diverse, one of which is Cosrx which comes from South Korea. South Korea is considered a highly innovative country in the beauty and skincare industry, known for its advanced technology and effective product formulations. This research aims to determine the influence of Country of Origin on the decision to purchase Cosrx skincare, the influence of brand image on the decision to purchase Cosrx skincare, and the influence of product quality on the decision to acquire Cosrx skincare. The research method used is quantitative research. The sample in this study used the Likert formula and the results were 90 respondents. The Purposive Sampling method was used for sampling. The data analysis approach uses the PLS (Partial Least Square) program. Based on the research results, country of origin, brand image and product quality all positively and significantly influence consumer purchasing decisions for Cosrx skincare.
The Effect of Content Marketing and Influencer Marketing on Purchasing Decisions for Azarine Sunscreen Products for Tiktok Gen Z Users in Surabaya Nina Zenitha Sekar Sari; Siti Aminah
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 7 No 1 (2024): Sharia Economics
Publisher : Universitas KH. Abdul Chalim Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v8i1.5531

Abstract

The demand for skincare products has an impact on the number of cosmetic companies that have increased, this has led to competition in the industry being very competitive. This study aims to determine the effect of content and influencer marketing on purchasing decisions for Azarine sunscreen products for TikTok Gen Z users in Surabaya. Research samples were distributed to Gen Z, who use TikTok and live in Surabaya, they purchased Azarine sunscreen products and saw influencer content related to Azarine sunscreen products. Sampling using the purposive sampling method, and the number of samples used was 105 respondents. Data analysis utilizes the SEM method using the PLS analysis tool. The results showed that content marketing and influencer marketing positively and significantly affected purchasing decisions for Azarine sunscreen products for TikTok Gen Z users in Surabaya.
The Effect of Service Quality, Perceived Ease of Use, and Perceived Usefulness on User Satisfaction of BCA Mobile Banking Application in Surabaya Aqilah Mahda Az Zuhra; Siti Aminah; Nanik Hariyana
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 8 No 3 (2025): Sharia Economics
Publisher : Universitas KH. Abdul Chalim Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v8i3.7574

Abstract

The advancement of technology continues to simplify various aspects of human life, with mobile banking emerging as one of the most widely adopted innovations. BCA Mobile stands out as one of the leading mobile banking applications, competing closely with other platforms to maintain its position in the market. This study aims to examine the influence of service quality, perceived ease of use, and perceived usefulness on user satisfaction with BCA Mobile in Surabaya. The sample consists of 112 respondents who meet the criteria of being at least 17 years old and having used the BCA Mobile application at least once. A purposive sampling technique was used to select participants, and data were collected through a structured questionnaire. The data analysis was conducted using the Partial Least Squares (PLS) method. The findings indicate that service quality, perceived ease of use, and perceived usefulness all have a positive and significant impact on the satisfaction of BCA Mobile users in Surabaya.
Co-Authors Aqilah Mahda Az Zuhra Luqy Aizzatul Fakhiroh Nanik Hariyana Nina Zenitha Sekar Sari