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Nunung Ayu Sofiati (Efi)

Universitas Indonesia Membangun

Author-ID : 1857288

Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Neuroscience Social Sciences Other

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Comparative Analysis of Active and Passive Portfolios with the Single Index Model and Capital Asset Pricing Model in Indonesia: Policy Directions in the Capital Market Sudarmadji, Harrys; Sudaryo, Yoyo; Sofiati, Nunung Ayu; Ismail, Gurawan Dayona; Sumawidjaja, Riyandi Nur
Journal of Public Representative and Society Provision Vol. 5 No. 3 (2025): Journal of Public Representative and Society Provision
Publisher : Pusat Studi Pembangunan dan Pemberdayaan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55885/jprsp.v5i3.727

This research conducts a comparative analysis between active and passive investment portfolios using two fundamental models in finance: the Single Index Model (SIM) and the Capital Asset Pricing Model (CAPM). The study focuses on stocks traded on the Indonesia Stock Exchange (IDX) that were not consistently included in the prestigious LQ45 Index during the period from January 2015 to June 2025. Using a rigorous quantitative method, the research compares portfolio performance, return, and risk under different strategies. The results conclusively indicate that portfolios designed with the Single Index Model consistently outperform those based on CAPM, and that active strategies deliver superior performance compared to passive ones. Beyond financial performance, the findings also carry significant policy implications. The consistent superiority of SIM suggests that regulators and market authorities should integrate simplified yet effective portfolio models into investor education initiatives. Similarly, the outperformance of active strategies highlights the importance of strengthening corporate disclosure standards and ensuring fair access to timely information, so that both institutional and retail investors can benefit equitably. By linking quantitative evidence with governance concerns, this study provides valuable insights for investors while offering policy directions to enhance transparency, inclusivity, and investor protection in Indonesia’s capital market.

Customer Satisfaction As A Mediator of The Influence of E-Marketing on Brand Image In XYZ Company Ridwan Ramadhan; Sofiati, Nunung Ayu; Sudaryo, Yoyo; Ali, Mochamad Mukti; Alfarisi, Ade Salman; Luntungan, Irving Ignatius Paul; Sakti, Anggono Raras Tirto
Dinasti International Journal of Economics, Finance & Accounting Vol. 6 No. 3 (2025): Dinasti International Journal of Economics, Finance & Accounting (July-August 2
Publisher : Dinasti Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/dijefa.v6i3.4874

This study aims to analyze Customer Satisfaction as a mediator of the influence of E-Marketing on Brand Image at PT. XYZ E-Marketing, which includes Information, Service Existence, Service Responsiveness, Purchase Transaction Process, and Usefulness, has been well owned by the company. Customer Satisfaction, which includes the dimensions of Product Quality, Service Quality, and Price, is at a satisfactory level, while Brand Image, which includes Reputation, Recognition, Affinity, and Brand Loyalty, is also considered good by customers. With the cluster random sampling technique, a sample of 150 respondents was obtained from a population of 1,235 customers. Based on SEM analysis using the LISREL 8.80 program, the results showed that E-Marketing has a significant partial influence on Customer Satisfaction of 51.2% and on Brand Image of 17.3%. While Customer Satisfaction has a significant partial influence on Brand Image of 30.1%. Furthermore, from the Sobel test, it is known that Customer Satisfaction has a significant influence in mediating the E-Marketing Mix on Brand Image, with a mediator influence of 15.5%. This finding highlights the importance of optimizing E-Marketing strategies to increase Customer Satisfaction and strengthen Brand Image in the eyes of customers.

Pengaruh Current Ratio, Return On Asset, dan Earning Per Share Terhadap Harga Saham pada PT Indocement Tunggal Prakarsa Tbk Periode 2015-2024 Khairunisya, Hania; Sudaryo, Yoyo; Ali, Mochammad Mukti; (Efi), Nunung Ayu Sofiati
Jurnal Ilmiah Mahasiswa (JIMAWA) Vol. 5 No. 2 (2025): Jurnal Ilmiah Mahasiswa (JIMAWA)
Publisher : Universitas Pamulang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/jmw.v5i3.50788

Tujuan riset kini merupakan guna mengenali pengaruh ( CR), ( ROA), ( EPS) PT Indocement Tunggal Prakarsa Tbk terhadap harga saham tahun 2015 hingga dengan 2024. Metodologi yang dipakai ialah menelaah deskriptiif dan verifikatif dengan pendekatan metode kuantitatif. Ilustrasi akan dipakai merupakan neraca keuangan 10 tahun PT Indocement Tunggal Prakarsa Tbk. Tata cara analisis informasi yang digunakan merupakan menelaah deskriptiif, uji anggapan klasik, regresi linier berganda, uji koefisien determinasi, serta uji hipotesis. Hasil riset ini secara garis besar menampilkan jikalau Current Ratio( CR) mempengaruhi signifikan terhadap harga saham, nampak pada nilai t hitung > t tabel ( 5, 028 > 2, 446) serta nilai signifikansi variabel sebesar 0, 002 < 0,05. H0 diterima sebaliknya H1 ditolak. Bila nilai signifikansinya variabel tersebut merupakan 0,959 > 0,05 serta thitung < ttabel, ialah - 0, 054 < 2, 446, buat Return On Asset( ROA), hingga H0 diterima serta H2 ditolak, yang menampilkan kalau ROA tidak mempunyai akibat yang nyata terhadap harga saham. Sementara thitung < ttabel sebanyak - 0, 315 < 2, 446 serta nilai signifikansinya variabel 0, 7630 > 0,05 buat laba per saham, hingga H0 diterima serta H3 ditolak, yang menampilkan jikalau EPS tidak memiliki dampak yang nyata terhadap harga saham. Tidak hanya itu, nilai signifikansinya merupakan 0,008 ataupun 0, 008 < 0, 05, serta uji Fhitung sebesar 10. 724. Kita bisa merumuskan jikalau H0 ditolak serta H4 diterima, ataupun jikalau harga saham dipengaruhi oleh CR, ROA, serta EPS.

The Influence of Flexible Working Hours, Work-Life Balance, and Compensation on Gen Z Purnamasari, Weny; Setiyani, Aris; Sofiati, Nunung Ayu; Sudaryo, Yoyo
Research Horizon Vol. 5 No. 5 (2025): Research Horizon - October 2025
Publisher : LifeSciFi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54518/rh.5.5.2025.773

Amid rapidly evolving workplace dynamics, job satisfaction and motivation have become pivotal in shaping employee productivity and loyalty, forming the foundation of this study’s investigation. This study aims to analyze the influence of flexible working hours, work-life balance, and compensations on employee satisfaction, with employee motivation serving as a mediating variable specifically among Generation Z employees in the manufacturing and service sectors in Bandung. A quantitative approach was applied using descriptive and verification methods. Data were collected through questionnaires distributed to 200 purposively selected respondents. The results indicate that the implementation of the three independent variables remains suboptimal, with average scores falling below the “good” category. Notably, flexible working hours and compensations showed a direct negative impact on both motivation and job satisfaction. Conversely, work-life balance had a strong positive effect on both variables. An interesting finding emerged when employee motivation was tested as a mediating variable: in some cases, motivation weakened the positive impact on satisfaction, suggesting a possible misalignment between the type of motivation provided and Generation Z’s internal expectations. This study highlights the urgent need for HR strategies that are responsive and aligned with Gen Z values and preferences to sustainably enhance employee satisfaction.

Assessing the Drivers of Financial Distress in Indonesian Rattan SMEs through Digital and Financial Perspectives Sudaryo, Yoyo; Hamdani, Deni; Sofiati, Nunung Ayu; Sipahutar, Dayan Hakim Natigor; Sutisna, Sutisna
Aptisi Transactions On Technopreneurship (ATT) Vol 7 No 3 (2025): November
Publisher : Pandawan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34306/att.v7i3.534

This study's objectives are to ascertain the impact of variables that determine financial distress among Small and Medium-sized Enterprises (SMEs) during the COVID-19 pandemic and post-pandemic period, including the perception of SMS offenders, knowledge of digital marketing, and growth in net profits, as well as to offer solutions to the issues that SMEs face. In Cirebon a descriptive and verifying strategy is taken in the employment of quantitative methodologies in the research. Primary data were used. Gathering information from fieldwork and library research based on surveys distributed and previously published works on SMS's Rattan crimes registered with Cirebon's Micro & Medium Enterprises Cooperation Service. Verification statistics analysis procedures include the use of hypothetical testing with partial and simultaneous tests (f and t-test) as well as data analysis testing using double linear regression. One hundred respondents from SME victim Rattan Cirebon provided the sample data. IBM SPSS version 21.0 is the analytical program that was utilized to process the data. According to some of the research findings, financial distress is greatly impacted by the impression of SME offenders, is unaffected by knowledge of digital marketing, and is greatly impacted by an increase in net profit. Simultaneous research findings reveal that the perspective of SME offenders, comprehension of digital marketing, and growth in net profit have a noteworthy impact on financial Distress.

Analyzing Investor Reaction to PT Chandra Daya Investasi’s Initial Public Offering through Abnormal Returns and Trading Volume Patterns in the Prajogo Pangestu Group Amanati, Nuzul; Sudaryo, Yoyo; Sofiati, Nunung Ayu; Ismail, Gurawan Dayona
SENTRALISASI Vol. 15 No. 1 (2026): January
Publisher : Universitas Muhammadiyah Sorong

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33506/sl.v15i1.5069

This research investigates how the stock market responds to the Initial Public Offering of PT Chandra Daya Investasi Tbk (CDIA) and examines its influence on abnormal returns and trading volume activities of companies within the Prajogo Pangestu Group. The study applies an event-study approach to four affiliated issuers, namely BRPT, BREN, TPIA, and CUAN, using an 11-day event window around the IPO and a 60-day estimation period for return modeling. The analysis assesses whether CDIA’s listing generated meaningful price or trading-volume reactions within the group. The findings show that the IPO did not lead to significant abnormal returns or notable changes in trading activity for the affiliated stocks. Only a minor anticipatory response appeared on T–4, while neither the event day nor the days following it exhibited a meaningful market reaction. Overall, the results suggest that the CDIA IPO was treated as a firm-specific event with limited information spillover to other companies in the group.

Local Needs-based Marketing Strategies of Madrasah Aliyah in Rural Areas Asep Toni Muharam; Mulyawan Safwandy Nugraha; Yoyo Sudaryo; Nunung Ayu Sofiati; Dadan Abdul Aziz Mubarok
EDUKASI: Jurnal Penelitian Pendidikan Agama dan Keagamaan Vol. 23 No. 1 (2025): EDUKASI: Jurnal Penelitian Pendidikan Agama dan Keagamaan
Publisher : Badan Litbang dan Diklat Kementerian Agama RI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32729/edukasi.v23i1.2174

This study investigates the implementation of local-needs-based marketing strategies at MA Al-Wasilah Lil Hasanah, a Madrasah Aliyah in Warungkiara, Sukabumi, West Java, Indonesia, where educational access is often constrained in rural areas. Employing a qualitative case study approach, data were collected through in-depth interviews, participatory observations, and document analysis. The findings demonstrate that a hybrid marketing model, integrating community-based engagement with digital strategies, significantly enhances student enrollment and community trust. Traditional methods, such as religious gatherings and social events, foster strong local connections, while digital marketing, despite infrastructural challenges, broadens outreach. By aligning strategies with socio-cultural values, the madrasah strengthens its sustainability and public confidence. This research offers practical insights for optimizing marketing in Islamic schools and highlights the potential of hybrid models for global Islamic educational institutions facing similar challenges. Further studies are recommended to explore the long-term efficacy of digital marketing in rural education settings.

Improving Employee Performance at Banjarwangi Community Health Center: The Role of Leadership, Work Culture, and Work Environment in Enhancing Work Motivation Jupri Pringadi; Asti Nur Aryanti; Nunung Ayu Sofiati; Gurawan Dayona Ismail; Palupi Permata Rahmi
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 9 No 1 (2026): Sharia Economics
Publisher : Universitas KH. Abdul Chalim Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v9i1.9264

Employee overall performance is a vital determinant of carrier pleasant in public health centers. The emergence of various provider-associated troubles suggests that declining overall performance is closely linked to organizational situations. This observe investigates how management, organizational subculture, and the paintings surroundings affect paintings motivation and, in flip, shape employee overall performance on the Banjarwangi Public health facility. work motivation is located as a mediating variable. using a quantitative survey design, facts have been accrued thru questionnaires and analyzed with the Partial Least Squares–Structural Equation Modeling (PLS-SEM) technique. The loading component assessment suggests that every construct is represented by using its most dominant indicator: the Informational function (X12) strongly reflects management (0.964); Involvement (X2.1) satisfactory represents Organizational subculture (zero.896); the Non-physical paintings surroundings (X3.2) is the most powerful indicator for the paintings surroundings assemble (zero.918); the need for strength (Y2) leads the paintings Motivation construct (zero.913); and Contextual performance (Z2) is the most prominent indicator of employee overall performance (0.926). these results spotlight how informational leadership, employee involvement, supportive non-bodily conditions, the preference for have an effect on, and contextual behaviors shape each variable. The SEM-PLS consequences exhibit that the model has sturdy explanatory functionality, with R² values of zero.562 for paintings Motivation and 0.678 for worker performance. most of the predictors, Organizational way of life exerts the maximum significant impact on paintings Motivation (0.392), observed through the paintings environment (0.322), at the same time as management contributes most effective marginally (zero.071). This indicates that motivation and performance are extra strongly pushed via cultural and environmental factors than by way of management practices. in addition analysis indicates that management, organizational tradition, and the paintings surroundings every have a fantastic and vast influence on paintings motivation. paintings motivation and organizational tradition also substantially decorate worker overall performance, whereas leadership and the paintings environment do not at once impact performance in a sizable way. Mediation trying out exhibits that paintings motivation fully mediates the results of management and the paintings environment on performance, and partly mediates the impact of organizational subculture. usual, the findings underscore the crucial position of labor motivation in improving worker performance. Efforts to raise overall performance ought to prioritize techniques that fortify motivation specially thru supportive management behaviors, the cultivation of a carrier-driven organizational culture, and the status quo of a greater conducive work surroundings.

Pengaruh YouTube Advertising Terhadap Purchase Intention di Agoda Melalui Brand Awareness Egi Fernandez; Mochammad Mukti Ali; Nunung Ayu Sofiati
Jurnal Manajemen Pendidikan dan Ilmu Sosial Vol. 6 No. 2 (2025): Jurnal Manajemen Pendidikan dan Ilmu Sosial (Februari - Maret 2025)
Publisher : Dinasti Review

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/jmpis.v6i2.4161

Penelitian ini mengulas bagaimana YouTube Advertising memengaruhi niat beli (purchase intention) konsumen Agoda, dengan kesadaran merek (brand awareness) sebagai variabel perantara. Penelitian ini menerapkan pendekatan kuantitatif berbasis survei, menggunakan kuesioner yang dijawab oleh 100 responden. Analisis data dilakukan melalui uji regresi linier berganda dan analisis jalur guna mengeksplorasi hubungan antar variabel. Temuan penelitian menunjukkan bahwa YouTube Advertising memberikan dampak signifikan langsung pada niat beli konsumen, meskipun tidak menunjukkan pengaruh signifikan terhadap kesadaran merek. Sebaliknya, niat beli konsumen terbukti berkontribusi signifikan terhadap peningkatan kesadaran merek. Hasil analisis jalur menegaskan bahwa kesadaran merek bertindak sebagai variabel perantara yang memperkuat hubungan antara YouTube Advertising dan niat beli konsumen. Penelitian ini menggarisbawahi pentingnya pengembangan konten iklan yang relevan dan mampu menarik perhatian guna mendorong terciptanya kesadaran merek yang kokoh serta meningkatkan niat beli konsumen, terutama dalam konteks persaingan ketat di ranah digital.

Analisis Pengaruh Rasio CAR, LDR, NPL dan BOPO terhadap Kinerja Keuangan (ROA) Bank HIMBARA Tahun 2017–2024 Safitri, Meilina; Sumawidjaja, Riyandi Nur; Sofiati, Nunung Ayu; Ismail, Gurawan Dayona; Sudaryo, Yoyo
Akuntansi & Ekonomika Vol 15 No 2 (2025): Jurnal Akuntansi dan Ekonomika
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM) Universitas Muhammadiyah Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jae.v15i2.10449

This study aims to analyze whether the CAR, LDR, NPL, and BOPO ratios affect ROA. The financial ratio data were obtained from secondary data of HIMBARA banks (BRI, BNI, Mandiri, and BTN) for the 2017–2024 period. The data analysis method used was multiple linear regression with SPSS. The partial results show that CAR influences ROA, while LDR, NPL, and BOPO do not have a significant effect on ROA. Simultaneously, all independent variables have a significant effect on the dependent variable. The obtained Adjusted R Square indicates that CAR, LDR, NPL, and BOPO collectively explain 92.4% of the variation in ROA, while the remaining 7.6% is influenced by other factors. This research is expected to provide a useful reference for the public and future researchers in understanding the factors that influence bank profitability.

Co-Authors Abdul Aziz Mubarok, Dadan Ade Salman Alfarisi Admaja, Firma Agustin Dwi Agung Setiawan Akhmad Sugandi Albert Gamot Malau Aldi Rahman Lazuardi Alfarisi, Ade Salman Ali, Mariyuana Abdussamad Ali, Mochamad Mukti Amanati, Nuzul Ana Hadiana Ana Hadiana, Ana Andi Sukandi Andre Suryaningprang Andrean, Meilani Eka Putri Andriasan Sudarso Anggono Anggono Raras Tirto Sakti Anggono Raras Tirto Sakti Anggono Raras Tirto Sakti April Gunawan Malau Ardiyatur Rahman Aris Setiyani Aris Setiyani, Aris Asep Toni Muharam Asti Nur Aryanti Asti Nur aryanti Asti Nur Aryanti Astiana Nengsi Astrin Kusumawardani Aziz, Dadan Abdul Benny Bernadus Bernadus, Benny Bui Thi Hai Yen Cahyono, Yoyok Cecep Pahrudin, Cecep Christimulia Purnama Trimurti Dadan Abdul Azis Dadan Abdul Aziz Mubarok Dadan Abdul Aziz Mubarok Dadan Abdul Aziz Mubarok Daffa, Fauzan Dayan Hakim Natigor Dayan Hakim Natigor Sipahutar Dayona Ismail, Gurawan Dayona, Gurawan Dedi Kurniawan Dendi Sujatmika Deni Hamdani Detya Wiryany Devyanthi Syarif Dicky Tri Ganesha Dinda Noviani Dini Carollina Dyah Purnamasari Egi Fernandez Ekapaula, Rolla Erna Herlinawati Erna Herlinawati Farhan Dzulfiqri Fauzan Daffa Febrianto Febrianto, Febrianto Febriyanti, Karina Fernandez, Egi Firma Agustin Dwi Admaja Fitria Ariyani Gurawan Dayon Gurawan Dayona Gurawan Dayona Gurawan Dayona Ismail Gurawan Dayona Ismail Gurawan Dayona Ismail Gurawan Dayona Ismail Gurawan Dayona Ismail Gustiawan, Rudi Hadiyan Nur Sofyan Handy Bugiman Haris Oky Adi Supinta Harry Purwoko Heni Herlina Hikmah, Agung Mohamad Hisashi, Rendy Mahardhika Ida Ayu Trisna Wijayanthi Ida Farida Oesman Ida Farida Oesman Indra Sani Irving Ignatius Paul Luntungan Irving Irving Ignatius Paul Luntungan Ismail, Gurawan Dayona Ita Kumaratih Jaya, Rama Chandra Josua Panatap Soehaditama Jupri Pringadi Kamal, Muhhammad Ikhsan Kartika Bunga Fajar Khairunisya, Hania Kumaratih, Ita Lazuardi, Aldi Rahman Lili Suryati Louise Panggabean, Helena Luntungan, Irving Ignatius Paul Luntungan, Irving Irving Ignatius Paul Mariyuana Abdussamad Ali Meilani Eka Putri Andrean Mochammad Mukti Ali Mochammad Subagio Mohamad Zaini, Mohamad Muhamad Nazri Darise Muhammad Ishar Mukti Ali, Mochamad Mukti Ali, Mochammad Mulyawan Safwandy Nugraha Munjinadir, Hafid Myria Dwiastuti Wiranda Nana Trisnawati Nandan Limakrisna Naufal Alip Putra Setiawan Nengsi, Astiana Nenobais, Manoakh Novia Indah Lestari Nunur Fitri Pratiwi Nur Mastuti, Dian Nur Sumawidjaya, Riyandi Nuradina, Kartika Palupi Permata Rahmi Palupi Permata Rahmi Pertiwi, R. Dewi Pras Rendi Prayoga, Rahmat Prilaksono, Kursusantyo Dudung Primadi Candra Susanto Prinska Damara Sastri Pujianto, Gatot Purbanuara Parlindungan Sitorus Purnamasari, Weny Purwoko, Harry Puspita, Irna Puspo Arianty, Kiki Rama Chandra Rama Chandra Jaya Raras Tirto Sakti, Anggono Rendy, Pras Reza Jordan Ridwan Ramadhan Rikko Putra Youlia Rimayani Rimayani Rimayani, Rimayani Rintis Eko Widodo Riyadi Nur Sumawidjaya Riyandi Nur Sumawidjaja Riyandi Nur Sumawidjaja Riyandi Nur Sumawidjaja Riyandi Nur Sumawidjaja Riyandi Nur Sumawidjaya Rizki Fathurrahman Septian Rona Tumiur Mauli Carolin Simorangkir Ryan Marshal Fauzy Safitri, Meilina Salsa Billa Putri Yuningsih Samuel Darwisman Sani, Indra Sevina Hanisa Anindya Solihah, Maya Sudarmadji, Harrys Sugiarti Sugiarti Suhendra, Agus Sujatmika, Dendi Sumawidjaya, Riyandi Nur Sutisna Sutisna Syarif, Devyanthi Tedy, Hilmanius Thessa Tri Astuty Tjipto Sajekti Tjipto Sajekti Viryal Iga Utari Wardana, Wikrama Wiara Sanchia Grafita Ryana Devi Widodo, Rintis Eko Widyastuti Nurmalia Utami Wikrama Wardana Wiryani, Detya Yosi Pahala Yoyo Sudaryo Yoyo Sudaryo Yoyo Sudaryo Yoyo Sudaryo Yuningsih, Salsa Billa Putri

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