https://ejournal.unsrat.ac.id/v3/index.php/jmbi/issue/feed JMBI UNSRAT (Jurnal Ilmiah Manajemen Bisnis dan Inovasi Universitas Sam Ratulangi). 2025-06-19T00:36:06+08:00 Joy Elly Tulung joy.tulung@unsrat.ac.id Open Journal Systems <div> </div> <div><strong>Based on Decree No. 28 / E / KPT / 2019 concerning the Ranking of Scientific Journal Accreditation Period V in 2019 by the Director General of Research and Development of the Ministry of Research, Technology and Higher Education. JMBI UNSRAT has been accredited by SINTA 5. This accreditation is valid for 5 years (2018 - 2022). And has been in Re-Accreditation and based on SK No. 36 / E / KPT / 2019 starting from Vol. 6 number 2 from 2019 onwards (2022) becomes SINTA 4.</strong></div> <div><strong> </strong></div> <div> </div> https://ejournal.unsrat.ac.id/v3/index.php/jmbi/article/view/60915 PENGARUH TINGKAT SUKU BUNGA DAN NILAI TUKAR IDR/USD TERHADAP HARGA SAHAM PADA PERUSAHAAN SEKTOR TEKNOLOGI TAHUN 2020-2023 YANG TERDAFRAR DI BURSA EFEK INDONESIA 2025-03-05T12:02:20+08:00 David Reinal Mendur 212020284@student.uksw.edu Samuel Martono samuel.martono@uksw.edu <p><em>This study aims to analyze the impact of interest rates and the IDR/USD exchange rate on the stock prices of technology sector companies listed on the Indonesia Stock Exchange during the 2020-2023 period. This research focuses on how fluctuations in interest rates and exchange rates influence investment decisions and stock prices in the technology sector. The method used in this study is secondary data collection. This research employs a combination of cross-sectional and time-series data for analysis. Descriptive analysis is conducted to provide a general overview of the collected data without drawing generalized conclusions. The findings indicate that high interest rates can pose challenges for companies in meeting their financial obligations, which in turn can affect profitability and stock prices. Additionally, changes in monetary policy, such as interest rate hikes, have a significant impact on the technology sector, highlighting the importance of understanding macroeconomic dynamics in the context of investment. The conclusion of this study confirms that both interest rates and exchange rates have a significant influence on the stock prices of technology sector companies in Indonesia. This research is expected to provide insights for investors and stakeholders in making better investment decisions in the Indonesian capital market.</em></p> 2025-06-01T00:00:00+08:00 Copyright (c) 2025 https://ejournal.unsrat.ac.id/v3/index.php/jmbi/article/view/61430 DOKTER DETEKTIF’S KEY OPINION LEADER EFFECT ON THE INTENTION PURCHASE OF SKINCARE PRODUCTS 2025-04-30T13:29:42+08:00 Sisra Yeni Pasaribu sisrapasaribu@gmail.com Tania Anggraini taniaraini0209@gmail.com Nurliya Apriyana nurliyasusanto@gmail.com <p><strong>Abstract</strong>: The development of digital technology impacted business and marketing strategies on social media. Using a Key Opinion Leader (KOL) was one of the business and marketing strategies using the name of the key opinion leader to attract the consumer's intention to buy a product. Dokter Detektif is one of the KOLs for the skin care category. She reviewed skin care products, particularly the consistency between company claims and laboratory test results. The study aimed to see the impact of Dokter Detektif's key opinion leader on purchase intention for skincare products. This research was a quantitative study using purposive sampling techniques with 100 respondents. This study used non-probability sampling for data collection. The population of this study is skincare consumers, social media users, aged 18-45, and knowledgeable about Dokter Detektif. &nbsp;The variables in this study were familiarity, trustworthiness, expertise, and purchase intention. The results showed that Dokter Detektif's familiarity, trustworthiness, and expertise have a significant correlation to affect the intention of consumers to purchase skin care products. &nbsp;This research concluded that skincare entrepreneurs must ensure that the composition of skin care products matches the results of laboratory tests to receive a good rating from a Dokter Detektif.</p> <p>&nbsp;</p> <p>&nbsp;</p> 2025-06-01T00:00:00+08:00 Copyright (c) 2025 https://ejournal.unsrat.ac.id/v3/index.php/jmbi/article/view/61676 MICRO VS. MEGA INFLUENCERS: WHOSE ENDORSEMENTS AND PROMOTED BRANDS TRULY SPARK PURCHASE INTENTION IN INDONESIA? 2025-05-16T09:32:35+08:00 Nabila Anisa nabila.anisa21@ui.ac.id Triana Rahajeng Hadiprawoto Hadiprawoto@ui.ac.id <p><em>This research aims to comprehensively compare the endorsement effectiveness between micro-influencers and mega-influencers using the investment model, commitment, and social media engagement, which result from influencer playfulness and the content expertise of influencers, on consumer’s purchase intentions for products or services promoted by these SMIs. The study also intends to explore differences in commitment towards SMIs and the brand being promoted. The unit of analysis in this research comprises consumers in Indonesia who have Instagram accounts and are actively following their favorite influencer on Instagram. A quantitative approach will collect data from 480 respondents through online questionnaires. Subsequently, the data will be analyzed using Structural Equation Model (SEM). This study found that influencer playfulness and content expertise of influencer determined investment model. Social media engagement, commitment to influencers, and brand commitment significantly influenced purchase intention. The commitment to influencer relationship towards purchase intention is more substantial for mega-influencers compared to micro-influencers. </em></p> 2025-06-01T00:00:00+08:00 Copyright (c) 2025