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All Journal Inisiatif: Jurnal Ekonomi, Akuntansi Dan Manajemen Jurnal Ilmiah Ekonomi dan Manajemen Jurnal Sains Student Research
Doli Syahputra Hasibuan
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Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Other

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Analisis Pengaruh Pajak dan Inflasi Terhadap Pendapatan Nasional: Bukti Empiris Tahun 2018 - 2024 Doli Syahputra Hasibuan; Lilis Sartika Sihite; Nazwa Aulia; Divo Valentino Siboro
Inisiatif: Jurnal Ekonomi, Akuntansi dan Manajemen Vol. 4 No. 2 (2025): April : Inisiatif : Jurnal Ekonomi, Akuntansi dan Manajemen
Publisher : Universitas 45 Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30640/inisiatif.v4i2.3959

Abstract

This article aims to analyze the effect of taxes and inflation on national income in Indonesia for the period 2018-2024. This study uses a quantitative method with regression analysis to identify the causal relationship between these variables. Data were obtained from the Central Statistics Agency (BPS) and Bank Indonesia, then processed using IBM SPSS Statistics 30 for Windows. The results of the study indicate that tax revenue has a significant and positive effect on national income, with a very strong contribution. Conversely, inflation also affects state revenue, although it does not affect taxes. The resulting regression equation shows that any increase in tax revenue will increase national income, while inflation also has a positive impact. In conclusion, both taxes and inflation have an important role in influencing Indonesia's national income. This study provides empirical evidence regarding the relationship between the two factors and can be a basis for the government to develop more effective economic policies in increasing national income and strengthening the country's economy.
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.
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 Divo Valentino Siboro Lilis Sartika Sihite Nazwa Aulia Nurul Mardiah