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All Journal Diponegoro Journal of Economics
Vitriyani Tri Purwaningsih
Jurusan Ekonomi Pembangunan, Fakultas Ekonomi dan Bisnis, Universitas Lampung, Lampung
Economics, Econometrics & Finance

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Pengaruh Kependudukan, Perekonomian Regional, dan Pembangunan Manusia terhadap Lingkungan: Tantangan dan Peluang bagi Pembangunan Kota Berkelanjutan Arya Radinsyah Fauzi; Farid Azfa Putra; Ridho Alfajar; M Firman Afdallah; Vitriyani Tri Purwaningsih; Neli Aida
Diponegoro Journal of Economics Vol 14, No 1 (2025)
Publisher : Faculty of Economics and Bussiness, Universitas Diponegoro, Semarang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/djoe.50691

Abstract

This study examines the environmental effects of urban development by analyzing the influence of population, regional economy, and human development on waste generation in Sumatra, Indonesia. Using panel data from 10 provincial capitals and applying the generalized least squares (GLS) method, the study finds that population density and Gross Regional Domestic Product (GRDP) based on expenditure—a proxy for consumption levels—are positively associated with increased waste production. In contrast, the Human Development Index (HDI) exhibits a negative relationship with waste generation. The study contributes to the literature by employing a panel-data approach to explore the interplay between human development and waste production in urban Sumatra, offering insights for sustainable urban planning.
Analisis Perbandingan Efek Arus Modal Investor Domestik dan Asing terhadap Perubahan IHSG Krisna Darmawan; Vitriyani Tri Purwaningsih; Muhammad Mufti Hudani
Diponegoro Journal of Economics Vol 14, No 3 (2025)
Publisher : Faculty of Economics and Bussiness, Universitas Diponegoro, Semarang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/djoe.50695

Abstract

This study aims to analyze and compare the impact of capital flows from domestic investors and foreign investors on changes in the Composite Stock Price Index (IHSG) on the Indonesia Stock Exchange. Capital flows are analyzed based on eight transaction categories classified according to the type of participant (foreign and domestic investors) and the type of transaction (value and volume). The method used is multiple linear regression with time series data of 476 observations from 2023 to 2024 sourced from the Indonesia Stock Exchange. The results indicate that transactions by domestic investors from foreign investors, show negative coefficients, implying a downward pressure on the IHSG. This study compares the effects of both domestic and foreign investors, providing an examination from the perspective of transaction types. The originality of this research lies in its disaggregated and direct comparison of domestic and foreign investor transactions within a unified empirical framework, whereas most existing studies focus primarily on foreign flows alone.
Co-Authors Arya Radinsyah Fauzi Farid Azfa Putra Krisna Darmawan M Firman Afdallah Muhammad Mufti Hudani Neli Aida Ridho Alfajar