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All Journal Journal Informatic, Education and Management (JIEM) Digital Bisnis: Jurnal Publikasi Ilmu Manajemen Dan E-commerce Jurnal Ilmiah Research and Development Student
Nindya Eka Sobita
Universitas Lampung
Religion Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Other

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Determinan Harga Saham Perusahaan LQ45 Berdasarkan Bukti Cross-Section pada Kondisi Makroekonomi Indonesia Tahun 2025 Nindya Eka Sobita; M Iqbal Harori; Muhammad Mufti Hudani; Mega Mariska; Rizka Malia
JURNAL ILMIAH RESEARCH AND DEVELOPMENT STUDENT Vol. 4 No. 2 (2026): Jurnal Ilmiah Research and Development
Publisher : CV. ALIM'SPUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59024/jis.v4i2.2088

Abstract

This study aims to analyze the effect of company fundamental factors, proxied by Earning Per Share (EPS), Debt to Equity Ratio (DER), and Return on Equity (ROE), on the stock prices of companies listed in the LQ45 index on the Indonesia Stock Exchange. Indonesia's macroeconomic conditions, represented by the rupiah exchange rate and the BI Rate, are used as the economic context of the study and are not estimated as independent variables, since the study relies on a single-period cross-sectional dataset. This study employs cross-sectional data from 38 LQ45 companies as of December 2025 and was analyzed using the Ordinary Least Squares (OLS) method with EViews 13 software. The estimation results show that EPS has a positive and significant effect on stock prices, while DER and ROE have a negative and significant effect. The model explains 90.47% of the variation in stock prices (R² = 0.9047). These findings are consistent with signaling theory and capital structure theory, and have practical implications for investors in selecting stocks based on fundamental performance amid a relatively stable macroeconomic environment.
Determinasi Kemiskinan dalam Perspektif Ekonomi Pembangunan dengan Pendekatan Ekonomi, Gender, Gizi, dan Demografi di Kabupaten/Kota Provinsi Lampung Richard James Halomoan Lingga; Asih Murwiati; Nindya Eka Sobita
Digital Bisnis: Jurnal Publikasi Ilmu Manajemen dan E-Commerce Vol. 5 No. 3 (2026): September : Digital Bisnis: Jurnal Publikasi Ilmu Manajemen dan E-Commerce
Publisher : Universitas 45 Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30640/digital.v5i3.7628

Abstract

This study aims to analyze the effects of Gross Regional Domestic Product (GRDP) per Capita, Social Assistance, Open Unemployment Rate, Informal Sector Labor Wages, Women's Income Contribution, Protein Consumption, and Population Growth Rate on poverty in the regencies/cities of Lampung Province from 2010 to 2024. The study employs a quantitative approach using secondary data in the form of panel data, which are analyzed through panel data regression using the Random Effect Model (REM). The simultaneous test results indicate that all independent variables jointly have a significant effect on poverty. Partially, GRDP per Capita, Informal Sector Labor Wages, Protein Consumption, and Population Growth Rate have significant negative effects on poverty, while Social Assistance, Open Unemployment Rate, and Women's Income Contribution have significant positive effects. The findings indicate that increases in GRDP per capita, informal sector labor wages, protein consumption, and population growth accompanied by adequate economic opportunities can reduce poverty. Conversely, high unemployment, social assistance concentrated in poorer areas, and a high contribution of women's income among vulnerable households are associated with increased poverty. The results are expected to serve as a consideration in formulating poverty alleviation policies in Lampung Province.
TESTING THE ENVIRONMENTAL KUZNETS CURVE (EKC) HYPOTHESIS AND THE DETERMINANTS OF CARBON DIOXIDE EMISSIONS IN INDONESIA Ria Febriani; Zulfa Emalia; Nindya Eka Sobita
Journal Informatic, Education and Management (JIEM) Vol 8 No 2 (2026): AUGUST
Publisher : STMIK Indonesia Banda Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61992/jiem.v8i2.502

Abstract

This study aims to test the applicability of the Environmental Kuznets Curve (EKC) and examine the relationship between Gross Domestic Product (GDP) per capita, fuel subsidies, and per capita primary energy consumption to carbon dioxide (CO₂) emissions in Indonesia in the long and short term. The research uses secondary data in the form of an annual time series for the period 1988–2024 sourced from Our World in Data, the World Bank, and the Ministry of Finance of the Republic of Indonesia. The analysis was carried out using the EKC model and the Error Correction Model (ECM), with stationaryness, cointegration, and t-test and F-test tests. The absence of statistical significance in the GDP coefficient per capita squared shows that the existence of the EKC pattern in Indonesia has not been empirically strengthened. In the long term, GDP per capita and primary energy consumption have a positive and significant effect on CO₂ emissions, while fuel subsidies have a negative but not significant effect. In the short term, changes in GDP per capita and primary energy consumption have a positive and significant effect on changes in CO₂ emissions, meanwhile, changes in fuel subsidies have not shown a statistically significant effect. On the other hand, the negative and significant Error Correction coefficient reflects the existence of a correction process that directs short-term imbalances back to long-term equilibrium conditions.
Co-Authors Asih Murwiati M Iqbal Harori Mega Mariska Muhammad Mufti Hudani Ria Febriani Richard James Halomoan Lingga Rizka Malia Zulfa Emalia