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All Journal Jurnal Ekonomi dan Bisnis Jurnal Ilmiah Ekonomi dan Manajemen Jurnal Sains Student Research Anggaran: Jurnal Publikasi Ekonomi dan Akuntansi
Nurul Mardiah
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Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Other

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ANALISIS PENGARUH INFLASI DAN PENDAPATAN TERHADAP KONSUMSI MASYARAKAT DI PROVINSI SUMATERA UTARA Tiara Marsya Aulya; Dia Aulia Harahap; Nurul Mardiah
Jurnal Ekonomi dan Bisnis Vol. 3 No. 3 (2025): Maret
Publisher : ADISAM PUBLISHER

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study aims to determine the analysis of the effect of inflation and income on consumption in North Sumatra Province. The analysis method used in this study is a quantitative-descriptive method, with testing of instrument validity, instrument reliability, significance testing such as the T Test, Determination Test, and hypothesis testing. The independent variables used in this study are inflation and income, and the dependent variable is community consumption. Overall, the independent variables (inflation and national income) have a positive effect on community consumption. Based on the equation, it can be seen that the most influential independent variable is the income variable with a coefficient of 0.501, followed by the inflation variable with a coefficient of 0.381. Every increase in the score of the inflation variable (X1) will encourage an increase in community consumption (Y) by 0.381. Meanwhile, every increase in the score of the income variable (X2) will encourage community consumption (Y) by 0.501.
STRATEGI PERUSAHAAN DALAM MENCAPAI LABA MAKSIMUM PADA PASAR PERSAINGAN SEMPURNA (PERFECT COMPETITION) Doli Syahputra Hasibuan; Lilis Sartika Sihite; Nurul Mardiah; Nazwa Aulia; Divo Valentino Siboro
JOURNAL SAINS STUDENT RESEARCH Vol. 3 No. 3 (2025): Jurnal Sains Student Research (JSSR) JUNI
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jssr.v3i3.4918

Abstract

This study aims to examine strategies that companies can implement to maximize profits in a perfectly competitive market structure, where firms have no control over market prices. Using a library research method, this study identifies various approaches and relevant production efficiency strategies based on classical and modern economic literature. The results show that the characteristics of a perfectly competitive market—such as the large number of market participants, product homogeneity, and the freedom of entry and exit—force companies to focus on optimizing production factors and controlling costs to achieve maximum profit. Three main approaches can be used: the total, average, and marginal approaches, with the marginal approach (MR = MC) serving as the main guideline in determining the optimal output level. In addition, choosing efficient production technology, controlling variable costs, as well as innovation and quality improvement have proven to be effective strategies in maintaining competitiveness and profitability. This study concludes that allocative and productive efficiency are the main keys to a company's success in a perfectly competitive market, and adaptive internal management strategies are the determining factors in achieving maximum profit.
Analisis Pengaruh Jenis -Jenis Rumah Ekonomi dalam Meningkatkan Pemahaman Siswa SMAN 12 Medan David Christian Silitonga; Nurul Mardiah; Romauli Situmeang; Revita Yuni; Siti Sarah Tumangger
Anggaran : Jurnal Publikasi Ekonomi dan Akuntansi Vol. 3 No. 2 (2025): Juni : Anggaran : Jurnal Publikasi Ekonomi dan Akuntansi
Publisher : Asosiasi Riset Ekonomi dan Akuntansi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/anggaran.v3i2.1466

Abstract

Economic concepts are often considered abstract and difficult to understand by high school students. The lack of connection between the subject matter and the reality of everyday life is one of the factors causing low student interest in learning in this field. This study aims to explore the effectiveness of the "home economics" learning approach in improving students' understanding of the economic system. The study was conducted at SMAN 12 Medan using a quantitative method with a questionnaire instrument that has been tested for validity and reliability. The results showed that this approach was able to explain 59.2% of the variation in students' understanding of economics. This study suggests that teachers use contextual learning models to improve the effectiveness of the economics learning process.
PENGARUH INVESTASI SUPER HOLDING DANANTARA TERHADAP KEPERCAYAAN MASYARAKAT DEMI PERTUMBUHAN EKONOMI DI MASA DEPAN: MENUJU INDONESIA EMAS 2045 Doli Syahputra Hasibuan; Lilis Sartika Sihite; Ariel Muhammad Jadhi Sembiring; Adelia Marta Lubis; Nurul Mardiah
JURNAL ILMIAH EKONOMI DAN MANAJEMEN Vol. 3 No. 12 (2025): Desember
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jiem.v3i12.7296

Abstract

Penelitian ini bertujuan untuk mengetahui persepsi masyarakat terhadap keberhasilan Daya Anagata Nusantara (Danantara) sepanjang perjalanan dan perkembangannya, agar masyarakat dapat mengetahui transparansi anggaran investasi yang diberikan oleh pemerintah terkait super holding Danantara tersebut. Sumber dana yang begitu besar, yakni diangka kurang lebih 14.000 Triliun Rupiah bukanlah angka yang sedikit, anggaran tersebut didapatkan memalui Dividen BUMN, modal Negara, Efisiensi anggaran, dan juga aset – aset BUMN yang belum terkelola dengan maksimal. Penelitian ini menggunakan metode kualitatif yang di mana pendekatan yang ada berfokus pada makna, pengalaman, dan perspektif subjek. Adapun kegunaan metode penelitian kualitatif diantara lain untuk memahami fenomena sosial yang saat ini terjadi, budaya yang sudah mengakar, maupun perilaku atau watak manusia secara mendalam.
Co-Authors Adelia Marta Lubis Ariel Muhammad Jadhi Sembiring David Christian Silitonga Dia Aulia Harahap Divo Valentino Siboro Doli Syahputra Hasibuan Lilis Sartika Sihite Nazwa Aulia Revita Yuni Romauli Situmeang Siti Sarah Tumangger Tiara Marsya Aulya