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Prawidya Hariani RS
Universitas Muhammadiyah Sumatera Utara
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mathematics Mechanical Engineering Physics Public Health Social Sciences Other

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ANALYSIS OF THE DEVELOPMENT OF SHARE PRICE OF COMPANIES LISTED ON THE SRI-KEHATI INDONESIA INDEX (CASE STUDY: IMPLEMENTATION OF SDG's) Farah Dina; Prawidya Hariani RS
Proceeding International Seminar of Islamic Studies INSIS 3 (February 2022)
Publisher : Proceeding International Seminar of Islamic Studies

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Abstract

This topic was raised based on the phenomena of economic development and environmental sustainability which are contradictory to one another. Various development efforts were carried out for the sake of high economic growth, while the ecological damage caused by excessive exploitation of nature was getting worse. Shares listed on the SRI-KEHATI Index were appointed as research objects because they are a form of implementing SDG's. The main objective of this study is to estimate the factors that influence the stock price of companies listed on SRI-KEHATI, as well as to estimate the effect of these stock prices on production growth. The data used in this study are cross sectional data and panel data. Where the cross-sectional data collected are all companies registered with SRI-KEHATI for 10 consecutive years and the sample was taken in 2017. Meanwhile, the panel data collected is data on all companies registered with SRI-KEHATI for 10 consecutive years and samples were taken from 2009 to 2017. Based on the estimation results using the multiple regression method using E-Views 10 software, in the first model a goodness of fit () value was obtained of 0.999999 or 99.99%. Partially, the independent variables namely PER, EPS, TAT, and BB have a positive and significant effect on stock prices (HS), while the BIF variable has a negative and significant effect on HS. Simultaneously, the independent variables have a positive and significant effect on HS. In the second model, the goodness of fit () value is 0. 001599 or 0.15%. Variable Stock Price (HS) which is influenced by PER, EPS, TAT, BB, and BIF has a positive and not significant effect on Production Growth (PP).
Dinamika perdagangan impor barang Korea Selatan terhadap perkembangan ekonomi Indonesia pada era digital Hariani RS, Prawidya; Hasibuan, Lailan Safina; Elka, Rahmy Avira
Journal of Economic Resilience and Sustainable Development Vol. 1 No. 2: (Agustus) 2024
Publisher : Institute for Advanced Science, Social, and Sustainable Future

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61511/ersud.v1i2.2024.1195

Abstract

Latar Belakang: Kerjasama Indonesia dan Korea Selatan memberikan peran yang sangat penting terhadap perkembangan ekonomi negara Indonesia. Dapat dilihat dari nilai ekspor dan impor Indonesia-Korea Selatan pada tahun 2017-2022 terus mengalami peningkatan. Dengan meningkatnya nilai ekspor Indonesia maka akan meningkatkan pendapatan negara Indonesia serta untuk para produsen dapat memperluas jangkauan pasarnya untuk mendapatkan konsumen dari dalam negeri maupun luar negeri. Nilai impor yang meningkat juga akan memungkinkan atau memudahkan Indonesia untuk memperoleh bahan baku, barang dan jasa suatu produk yang jumlahnya terbatas di dalam negeri. Penelitian ini bertujuan untuk melakukan analisa secara ekonomi perkembangan ekspor dan impor Indonesia dan Korea Selatan dan melakukan estimasi pengaruh impor dari Korea Selatan ke Indonesia tahun 2014-2022. Metode: Analisis ini menggunakan data time series yaitu data yang berasal dari website-website resmi seperti Badan Pusat Statistik (BPS) dan Kementerian Perdagangan yang dihimpun pada tahun 2014 hingga 2022. Teknik analisis data yang digunakan pada penelitian ini menggunakan regresi linier berganda dengan meggunakan program, eviews-10. Temuan: Hasil penelitian menunjukkan bahwa Pendapatan per Kapita, Nilai Tukar dan Inflasi berpengaruh dan signifikan terhadap impor dari Korea Selatan. Volume ekspor impor Korea Selatan dan Indonesia pada tahun 2017-2022 setiap tahunnya mengalami peningkatan sehingga Koran Lifestyle menjadi dinamika saat ini. Dengan meningkatnya nilai impor negara Korea Selatan ke Indonesia makaakan membawa pengaruh buruk seperti menurunnya produksi di dalam negeri yang mengakibatkan angka pengangguran meningkat dan pendapatan menurun sehingga daya beli masyarakat juga menurun. Kesimpulan: Oleh karena itu, Pemerintah harus memperhatikan pertumbuhan ekspor agar meningkatkan kapasitas perekonomian dan pemerintah harus meyakinkan dunia bahwa ekspor Indonesia dapat lebih baik dan meningkat, agar meningkatkan jumlah devisa di Indonesia.
Disaster Mitigation Based on Regional Vulnerability Analysis of South Labuhanbatu Regency for Risk Reduction Planning Ulil Amri Daulay; Agus Purwoko; Prawidya Hariani RS; Ridwan; Rizky Wahyudi; Iskandar; Rizky Adrian
TERRA: Journal of Forest Management Vol. 2 No. 1 (2026): January 2026
Publisher : Universitas Satya Terra Bhinneka

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Abstract

Disaster mitigation is a systematic effort to reduce disaster risks through pre-disaster planning, vulnerability reduction, and capacity building to support sustainable development. In South Labuhanbatu Regency, geographic conditions, climate change, and land-use dynamics, particularly lowlands, dense river networks, high rainfall, and extensive oil palm plantations, increase the risk of flooding and environmental degradation. Therefore, mitigation efforts must be specific, based on a vulnerability analysis that integrates environmental aspects into spatial planning strategies. Data analysis was conducted spatially using GIS through map digitization and georeferencing, land use classification, and overlay analysis between physical conditions of the region, land use, and disaster potential. Spatial analysis shows that is dominated by flood hazards, covering 34,224.8 Ha (9.59%) of the total area, mainly in Kampung Rakyat, Kotapinang, Sungai Kanan, and Torgamba, while Silangkitang is not flood-prone. Flood vulnerability is closely related to lowland areas along the Barumun Watershed, where peatland conditions and oil palm–dominated land use reduce infiltration and increase surface runoff. Landslide hazards are limited to Torgamba and Sungai Kanan due to hilly terrain and land clearing, while active fault intensity varies spatially, with the highest levels in Silangkitang, highlighting the importance of integrating geological risk into spatial planning.
INDONESIAN TRADE IMPORTS AND CHANGES IN CONSUMER BEHAVIOR FROM AMERICAN TO KOREAN FOOD STYLE TOWARDS FOOD CONSUMPTION Prawidya Hariani RS; Reynaldi Putra Adila
International Journal of Economic, Technology and Social Sciences (Injects) Vol. 6 No. 2 (2025): October 2025
Publisher : CERED Indonesia Institute

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Abstract

The problem in this study is the phenomenon of changes in consumption behavior in food, which initially the people of Medan City preferred American Style food, changing to preferring Korean Style food, this causes a change in consumption behavior in society. The main objective of this study is to analyze what factors cause behavioral changes and analyze the indicators that have been determined in food consumption to Korean food style. This type of research uses qualitative data through primary data by snowball sampling from non-probability samples using a Likert scale, to produce descriptive data. The use of Smart-PLS software is used to process the data. Indonesia's trade with the United States and South Korea has increased over time, including food from both countries. The results achieved are the decision to consume Korean food, all 4 indicators meet, but the indicator remains American food reaching 0.587, the rest achieve validity> 0.829. Furthermore, for Convergent validity, the 4 factors, namely Culture, Personal, Social and Psychological, all meet> 0.865. The results of the hypothesis test show that all factors also meet at> 0.05. So the conclusion is that young people in Medan City are experiencing a change in their food consumption behavior from American to Korean Food Style but have not completely abandoned their older food.
Investasi, Pertumbuhan Ekonomi, dan Upah Minimum terhadap Pengangguran Terbuka di Sumatera Utara: Pendekatan ARDL Ridho Irawan; Prawidya Hariani RS
Mandiri : Jurnal Akuntansi dan Keuangan Vol. 5 No. 2 (2026): Juni 2026
Publisher : Lembaga Riset Ilmiah, Yayasan Mentari Meraki Asa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59086/jak.v5i2.2054

Abstract

Pengangguran terbuka merupakan indikator penting dalam menilai kinerja pembangunan ekonomi karena mencerminkan kemampuan perekonomian dalam menciptakan kesempatan kerja. Penelitian ini bertujuan menganalisis pengaruh investasi, pertumbuhan ekonomi, dan upah minimum terhadap tingkat pengangguran terbuka di Provinsi Sumatera Utara menggunakan pendekatan Autoregressive Distributed Lag (ARDL). Provinsi Sumatera Utara dipilih sebagai lokasi penelitian karena merupakan salah satu pusat pertumbuhan ekonomi di Indonesia dengan arus investasi yang tinggi, namun masih menghadapi dinamika pengangguran yang berfluktuasi. Kebaruan penelitian ini terletak pada penerapan model ARDL untuk mengidentifikasi pengaruh jangka pendek dan jangka panjang secara simultan menggunakan data semesteran periode 2010 Semester I–2025 Semester II. Data sekunder diperoleh dari Badan Pusat Statistik (BPS), Badan Koordinasi Penanaman Modal (BKPM), dan sumber resmi lainnya. Hasil penelitian menunjukkan adanya hubungan kointegrasi antara variabel penelitian. Dalam jangka panjang, investasi, pertumbuhan ekonomi, dan upah minimum berpengaruh negatif dan signifikan terhadap tingkat pengangguran terbuka, sedangkan dalam jangka pendek hanya investasi dan pertumbuhan ekonomi yang menunjukkan pengaruh signifikan. Temuan ini memperkaya literatur ekonomi ketenagakerjaan regional sekaligus memberikan dasar empiris bagi perumusan kebijakan investasi padat karya, pertumbuhan ekonomi yang inklusif, dan kebijakan pengupahan untuk mendukung penurunan pengangguran di Provinsi Sumatera Utara.   Open unemployment is an important indicator of economic development as it reflects an economy's ability to generate employment opportunities. This study examines the effects of investment, economic growth, and minimum wage on the open unemployment rate in North Sumatra Province using the Autoregressive Distributed Lag (ARDL) approach. North Sumatra was selected because it is one of Indonesia's major economic growth centers, characterized by high investment inflows while still experiencing fluctuating unemployment. The novelty of this study lies in applying the ARDL model to simultaneously estimate both short-run and long-run relationships using semiannual data from the first semester of 2010 to the second semester of 2025. Secondary data were obtained from Statistics Indonesia (BPS), the Indonesia Investment Coordinating Board (BKPM), and other official sources. The findings confirm the existence of a long-run cointegration relationship among the variables. In the long run, investment, economic growth, and minimum wage significantly reduce the open unemployment rate, whereas in the short run only investment and economic growth exhibit significant effects. These findings enrich the regional labor economics literature and provide empirical evidence for policies promoting labor-intensive investment, inclusive economic growth, and balanced wage-setting to reduce unemployment in North Sumatra.  
Co-Authors Adithya Rahman Atmaja Agus Purwoko Aiga Fadillah, Rahmanta Ginting, Irsad Lubis Almira Thalita Debby Cyntia Asmah Elizar Sinambela Elka, Rahmy Avira Erike Dwi Nanda Farah Dina Hafni, Roswita Ihsan Effendi Iskandar Lailan Safina Hasibuan Reynaldi Putra Adila Ridho Irawan Ridwan Ridwan Rizky Adrian Rizky Wahyudi Sri Endang Rahayu Sri Endang Rahayu Ulil Amri Daulay