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Hutabarat, Indra Setiawan
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Journal : Jurnal Mantik

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Market share analysis and market segmentation of android-based mobile phone products in sibolga city: market share Hutabarat, Indra Setiawan; Hutabarat, Sinta Veronika; Panggabean, Yusi Tri Utari; Hanum, Rahmadiah
Jurnal Mantik Vol. 8 No. 2 (2024): August: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/mantik.v8i2.5419

Abstract

This study aims to find out how big the smartphone market share is and see which type of smartphone dominates the market and becomes the Top Leader, as well as see the most promising market segmentation, the research method is used by market estimate analysis and the distribution of questionnaires to 50 respondents, from the results of the research it was found that Oppo SmartPhone has occupied the top position of the smartphone market with an annual sales achievement of 8,395 data taken from Mobile phone counters in the Sibolga City area, North Sumatra Province
The Role of Human Capital Investment In Economic Growth: Evidence From Cross-Country And Regional Studies Hutabarat, Indra Setiawan; Hutabarat, Sinta Veronika; Siregar, Mira Yosefa; Zelani, Danu Irwan; Suganda, Hikmah Anum
Jurnal Mantik Vol. 9 No. 4 (2026): February: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/mantik.v9i4.6921

Abstract

This study analyzes the effect of human capital investment on economic growth using a quantitative econometric approach based on panel data analysis. Economic growth is a crucial indicator of development, reflecting a country’s ability to improve welfare and productivity. In recent years, human capital—represented by education level and labor quality—has gained increasing attention as a key driver of sustainable economic growth. This research aims to examine the contribution of human capital to economic growth while controlling for physical capital formation, labor force participation, and income inequality.The study employs secondary data collected from official statistical sources covering several regions over a specific period. Panel data regression techniques are applied to capture both cross-sectional and time-series variations. The estimation includes Pooled Ordinary Least Squares, Fixed Effects Model, and Random Effects Model, with model selection determined through Chow and Hausman tests. Classical assumption tests are conducted to ensure the validity and robustness of the model.The empirical results indicate that human capital investment has a positive and statistically significant impact on economic growth. Regions with higher levels of education and labor quality tend to experience faster economic growth. Conversely, income inequality shows a negative relationship with economic growth, suggesting that unequal access to human capital may hinder long-term development. These findings emphasize the importance of inclusive human capital policies to support sustainable and equitable economic growth.
Co-Authors Basriani, Anna Gultom, Hesty Amelia Hanum, Rahmadiah Hutabarat, Sinta Veronika Hutabarat, Veronika Hutagalung, Heriyawan Irsyan, Andrian Jeniusman Ahmad Hutagalung Lubis, Dicky Syahputra Mhd. Shafwan Koto, Mhd. Shafwan Novianti, Rika Panggabean, Nanda Pratama Rifka Hadia Lubis Sahputra, Hendra Sihotang, Delita Sinaga, Nelly Azwarni Sipahutar, Hadijah Siregar, Mira Yosefa Suganda, Hikmah Anum Tambunan, Yenni Sofiana Wardina, Heni Yusi Tri Utari Panggabean Zaelani, Danu Irwan Zelani, Danu Irwan