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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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Analysis Of Cash Ratio (CR), Debt To Equity Ratio (DER), And Return On Equity (ROE) On Ecomonic Value Added (EVA) In Digital Banks Sevina Hanisa Anindya; Yoyo Sudaryo; Dayan Hakim Natigor Sipahutar; Nunung Ayu Sofiati; Gurawan Dayona Ismail
Eduvest - Journal of Universal Studies Vol. 4 No. 8 (2024): Journal Eduvest - Journal of Universal Studies
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/eduvest.v4i8.1769

This study evaluates the performance of digital banks in Indonesia during 2020-2023 as a real form of digitalization, focusing on the effect of Cash Ratio, Debt to Equity Ratio, and Return on Equity on Economic Value Added (EVA) in digital banks. The research method used is quantitative method with descriptive and verification approaches. The data source used is secondary data with purposive sampling and the companies selected from the criteria are 7 digital bank companies for 4 periods, so that the sample used in this study is 28 samples. The data used in this study are secondary data in the form of annual reports going public on the bank company website. The analysis technique used in this research is regression with panel data using the Eviews program. The results of this study indicate that the significance value of the cash ratio t test T count -0.910149 < T table 2.05553, and a sig value of 0.3718> 0.05 means that the Cash Ratio has no effect on Economic Value Added in 7 digital bank companies. The significance value of the Debt to Equity Ratio T test shows the value of T count -2.272184> T table 2.05553, and the sig value of 0.0323 <0.05. The significance value of the Return on Equity T test shows the value of T count -0.608342 < T table 2.05553, and the sig value of 0.35487> from 0.05 means that Return on Equity has no effect on Economic Value Added in 7 digital bank companies in Indonesia.

Analysis of Current Ratio (CR), Debt To Equity Ratio (DER), Total Asset Turnover (TATO), Return On Assets on Share Prices in Mining Companies Dicky Tri Ganesha; Dayan Hakim Natigor Sipahutar; Yoyo Sudaryo; Nunung Ayu Sofiati
Eduvest - Journal of Universal Studies Vol. 4 No. 9 (2024): Journal Eduvest - Journal of Universal Studies
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/eduvest.v4i9.1798

The share prices of mining companies included in the LQ 45 Index are unstable because they experience increases and decreases from 2018 to 2023 (5 years). If the other independent variables remain constant, each increase is one unit Debt to Equity Ratio will reduce share prices -0.643. Then influence Total Asset Turnover to Share Prices in Mining Companies that are members of the LQ 45 Index for the 2018-2023 period is a significant and positive influence. If the other independent variables remain constant, each increase is one unit Total Asset Turnover will increase the share price by 0.453. Furthermore, the influence of ROA (Return On Asset) to Share Prices in Mining Companies that are members of the LQ 45 Index for the 2018-2023 period is a significant and negative effect. If the other independent variables remain constant, each increase is one unit Total Asset Turnover will lower the Share Price 1,060. and Current Ratio, Debt to Equity Ratio, Total Asset Turnover, ROA (Return On Asset) simultaneous significant effect on share prices in Mining Companies that are members of the LQ 45 Index for the 2018-2023 period with a percentage of 79% means that it is 79% Current Ratio, Debt to Equity RatiO,Total Asset Turnover and ROA (Return On Asset) to Stock Price and the rest 21% influenced by factor other than the variables studied.

Comparative Analysis Of Investment Return Calculations Between Single Index Model (SIM), Capital Asset Pricing Model (CAPM), And Arbitrage Pricing Theory (APT) In 8 Mining Company Sectors Dinda Noviani; Dayan Hakim Natigor Sipahutar; Yoyo Sudaryo; Nunung Ayu Sofiati; Tjipto Sajekti
Eduvest - Journal of Universal Studies Vol. 4 No. 9 (2024): Journal Eduvest - Journal of Universal Studies
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/eduvest.v4i9.1799

This study aims to analyze the comparative calculation of investment return rates between three models, namely Single Index Model (SIM), Capital Asset Pricing Model (CAPM), and Arbitrage Pricing Theory (APT), in eight mining company sectors listed on the Indonesia Stock Exchange (IDX 30). This study uses historical data from the mining company sectors to calculate and compare the investment return rates based on these three models. The research method used is statistical analysis to evaluate and compare the predicted investment return rates from the Single Index Model (SIM), Capital Asset Pricing Model (CAPM), and Arbitrage Pricing Theory (APT). The data used includes historical stock prices, company financial data, and relevant market data. The results of this study are expected to provide a better understanding of the effectiveness and advantages of each model in the context of mining companies listed on IDX 30. The results of this study show that the Single Index Model (SIM) indicates a moderate financial potential with an average value of 7,58, which is lower compared to CAPM. A high risk (beta) of 2,20 indicates that this investment has a higher risk than the market. On the other hand, the Capital Asset Pricing Model (CAPM) has a higher average return value of 19,15, indicating greater profit potential but also commensurate risk. The Arbitrage Pricing Theory calculation of 6,46, the lowest, reflects a more cautious calculation of return estimates. The inflation beta risk value of 100.924,50 and the deposit interest beta risk of 9.320,14 are very high.

The Influence Of Training, Competence, And Leadership On Lecturer Career Development Through Work Motivation As An Intervening Variable Reza Jordan; Gurawan Dayona Ismail; Nunung Ayu Sofiati; Mochammad Mukti Ali; Yoyo Sudaryo
Eduvest - Journal of Universal Studies Vol. 5 No. 8 (2025): Eduvest - Journal of Universal Studies
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/eduvest.v5i8.51613

The results of the study indicate that training has an effect on work motivation. The original sample value for variable X1 (training) on Y (work motivation) is 1.14, with a t-statistic of 13.524 and p-values of 0.000, which is smaller than the significance level, indicating a positive and significant influence between variable X1 (training) and Y (work motivation). The original sample value implies that better and higher training leads to better and higher work motivation. Furthermore, competence influences work motivation. The original sample value for variable X2 (competence) on Y (work motivation) is -0.177, with a t-statistic of 2.593 and p-values of 0.01, which is smaller than the significance level, indicating a non-positive but significant influence of variable X2 (competence) on Y (work motivation). Leadership influences work motivation. The original sample value for variable X3 (leadership) on Y (work motivation) is 0.03, with a t-statistic of 0.771 and p-values of 0.441, which is smaller than the significance level, indicating a positive and significant influence of variable X3 (leadership) on Y (work motivation). The original sample value implies that better and higher leadership leads to better and higher work motivation. Subsequently, work motivation influences career development. The original sample value for variable Y (work motivation) on Z (career development) is 0.348, with a t-statistic of 1.645 and p-values of 0.1, which is smaller than the significance level, indicating a positive and significant influence of variable Y (work motivation) on Z (career development).

The Effect Of Training, Competence, And Leadership On Job Satisfaction With Career Development As An Intervening Variable At Xyz Hospital Kartika Bunga Fajar; Gurawan Dayona Ismail; Nunung Ayu Sofiati; Mochammad Mukti Ali; Yoyo Sudaryo
Eduvest - Journal of Universal Studies Vol. 5 No. 8 (2025): Eduvest - Journal of Universal Studies
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/eduvest.v5i8.51804

This study aims to examine the influence of training, competence, and leadership on career development, with job satisfaction acting as a mediating variable. The research uses a quantitative approach with a sample of 100 employees, analyzed using multiple linear regression and path analysis. Data were collected through a structured questionnaire, and the classical assumption tests confirmed that the regression model met the requirements of normality, no multicollinearity, and no heteroscedasticity. The results show that training, competence, and leadership have a positive and significant direct effect on both job satisfaction and career development. In addition, job satisfaction also has a significant direct impact on career development, making it a strong mediating variable. The coefficient of determination (R² = 0.648) indicates that 64.8% of the variation in career development is explained by the variables of training, competence, leadership, and job satisfaction. The Sobel test results further confirm that job satisfaction mediates the relationship between the independent variables and career development. These findings suggest that organizations should focus on improving employee training, enhancing competencies, and strengthening leadership practices, as well as maintaining high job satisfaction, to effectively support employees’ career advancement.

The Influence of Transaction Channel Preference and Cash Handling Behavior on the Achievement of Cash Donations in the ‘Charity Box Personal’ Program (A Research at the Humanitarian Organization Kilau Indonesia) Akhmad Sugandi; Yoyo Sudaryo; Nunung Ayu Sofiati; Mochammad Mukti Ali; Gurawan Dayona Ismail
Eduvest - Journal of Universal Studies Vol. 5 No. 9 (2025): Eduvest - Journal of Universal Studies
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/eduvest.v5i9.52150

The rapid digitization of financial transactions in Indonesia has fundamentally altered consumer payment behaviors, creating significant challenges for traditional cash-based charitable fundraising methods. This research investigates how donors’ Transaction Channel Preference and Cash Handling Behavior shape Cash Donation Achievement in Kilau Indonesia’s “Charity Box Personal” program. Using a cross-sectional survey of N=200N=200 donors sampled via stratified random procedures across four West Java regencies, Likert-type measures for both predictors were converted to interval scales with the Method of Successive Intervals (MSI). Multiple linear regression with SPSS 27 indicates a significant model fit (R=0.817R=0.817; R2=0.667R2=0.667; F(2,197)=197.233F(2,197)=197.233, p<.001p<.001). Transaction Channel Preference negatively predicts cash donations (β=−0.614β=−0.614, p<.001p<.001), consistent with a channel-substitution mechanism as donors favor digital payments. Contrary to expectation, Cash Handling Behavior also shows a negative association (β=−0.538β=−0.538, p<.001p<.001), suggesting that stricter cash budgeting reduces ad-hoc giving opportunities. Diagnostics (Durbin–Watson ≈ 1.94; no notable multicollinearity) support model validity. Managerially, nonprofits should adopt an omnichannel strategy by integrating QRIS into physical boxes and reporting combined (cash + digital) metrics. Theoretically, findings connect UTAUT, Perceived Value, and the Theory of Planned Behavior to explain declining cash-based philanthropy in a rapidly digitizing context.

The Influence of AI Technology on Employee Engagement Ryan Marshal Fauzy; Gurawan Dayona Ismail; Nunung Ayu Sofiati (Efi); Yoyo Sudaryo; Dadan Abdul Aziz Mubarok
Eduvest - Journal of Universal Studies Vol. 6 No. 2 (2026): Eduvest - Journal of Universal Studies
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/eduvest.v6i2.52437

This study aims to analyze the influence of the use of AI HR Chatbot, technology adaptation, and AI-based performance appraisal systems on employee engagement with internal communication effectiveness as an intervening variable among employees at Bank Banten Head Office. The research background is based on the phenomenon of decreased employee performance and the adaptation challenges to the digital transformation being carried out by the company. The use of Artificial Intelligence (AI) based technology in human resource management is expected to increase the effectiveness of internal communication, appraisal transparency, and employee involvement in the organization6. The research method used is a quantitative approach with data collection through questionnaires distributed to employees at Bank Banten Head Office. Data analysis was performed using path analysis technique to test the direct and indirect relationships between variables8. The results show that the use of AI HR Chatbot, technology adaptation, and AI-based performance appraisal systems have a positive and significant influence on employee engagement, both directly and through internal communication effectiveness as a mediating variable9. Internal communication effectiveness is proven to strengthen the relationship between AI-based technology and the level of employee involvement. The conclusion of this study confirms the importance of integrating AI technology into the human resource management system supported by effective internal communication to enhance emotional attachment, motivation, and employee performance. The practical implication of this research is the need for a human-centered digitalization strategy and transparent communication policies so that the implementation of AI in the workplace can run optimally.

Implementation of the Political Marketing Mix and Electronic Word of Mouth in the 2024 Regional Head Election of Karawang Regency Naufal Alip Putra Setiawan; Mochammad Mukti Ali; Nunung Ayu Sofiati; Gurawan Dayona Ismail; Anggono Raras Tirto Sakti
Eduvest - Journal of Universal Studies Vol. 6 No. 1 (2026): Eduvest - Journal of Universal Studies
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/eduvest.v6i1.52779

This study aims to analyze the influence of the Political Marketing Mix on Electronic Word-of-Mouth (E-WoM) and Voting Decision, as well as the mediating role of E-WoM in the 2024 Regional Head Election of Karawang Regency. The research adopts a quantitative approach using Structural Equation Modeling (SEM) with SmartPLS 4.1.1.4. Data were collected from 200 respondents who participated in the 2024 Karawang local election through an online questionnaire using a five-point Likert scale. The findings indicate that most elements of the political marketing mix product, price, place, promotion, people, and process have a positive and significant effect on E-WoM, while physical evidence does not show a significant influence. Furthermore, all elements of the political marketing mix positively and significantly affect voting decision. E-WoM is proven to have a direct positive effect on voting decision and serves as a mediating variable that strengthens the relationship between most political marketing mix elements and voting decision, except for physical evidence. These results demonstrate that voter behavior is shaped by a complex interaction of rational, emotional, and social factors, and highlight the strategic importance of digital communication and peer-to-peer information sharing in modern political campaigns. The study contributes theoretically to the development of political marketing literature in local democratic contexts and provides practical insights for political actors in designing more effective and participatory campaign strategies in the digital era.

Liquidity, Leverage, Activity, and Profitability Ratios on Financial Distress: Evidence from LQ45 Manufacturing Companies Farhan Dzulfiqri; Yoyo Sudaryo; Nunung Ayu Sofiati; Andre Suryaningprang; Riyandi Nur Sumawidjaja
Eduvest - Journal of Universal Studies Vol. 6 No. 7 (2026): Eduvest - Journal of Universal Studies
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/eduvest.v6i7.53331

This research examines the effect of liquidity, leverage, activity, and profitability on financial distress among manufacturing companies included in the LQ45 Index in Indonesia during 2020–2024. This research used a quantitative explanatory approach to investigate the relationship between the variables. The analysis relied on secondary data obtained from the audited annual reports of 7 manufacturing companies selected by purposive sampling method, resulting in a balanced panel dataset consisting of 35 observations. Financial distress was measured using the Altman Z-Score, while TATO, ROA, DER, and CR were employed as the independent variables. To evaluate both the individual and combined effects of these variables on financial distress, panel data regression analysis was conducted using the CEM, supported by t-test and F-test analysis. The results reveal that liquidity (t = 2.426; p = 0.022) and profitability (p = 0.070) have positive and statistically significant correlations with the Altman Z-Score, indicating that stronger liquidity and higher profitability mitigate financial distress risk, with profitability emerging as the dominant predictor. Conversely, leverage and asset efficiency show no significant individual effects, suggesting that manufacturing firms can adjust their capital structure and asset utilization without necessarily increasing financial distress risk. However, when all four ratios are considered simultaneously, they collectively explain a substantial portion of the variation in financial distress (F = 3.797; p = 0.013; R² = 33.61%). These findings highlight that financial ratio indicators, particularly those related to liquidity and profitability, are useful for evaluating the financial health of established manufacturing firms in Indonesia's LQ45 Index.

Analysis of The Impact of Inflation, Interest Rates, and Exchange Rates on LQ45 Stock Prices on the Indonesia Stock Exchange (2020–2025 Period) Myria Dwiastuti Wiranda; Riyandi Nur Sumawidjaja; Nunung Ayu Sofiati
Jurnal Investasi Islam Vol. 11 No. 2 (2026): Jurnal Investasi Islam (JII)
Publisher : FEBI IAIN Langsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32505/jii.v11i2.15792

Macroeconomic fluctuations are among the primary factors influencing stock price movements in the capital market. However, previous studies have reported inconsistent findings regarding the effects of inflation, interest rates, and exchange rates on LQ45 stock prices during the post-pandemic period, indicating the need for further empirical investigation. This study aims to examine the effects of inflation, interest rates, and exchange rates on the stock prices of companies listed in the LQ45 Index of the Indonesia Stock Exchange during 2020–2025. A quantitative approach was employed using secondary data obtained from the Indonesia Stock Exchange, Bank Indonesia, and Statistics Indonesia. The data were analyzed using multiple linear regression after satisfying the classical assumption tests. The results reveal that inflation has a significant negative effect on stock prices, while interest rates also exert a significant negative influence. Conversely, the exchange rate has a significant positive effect on stock prices. Simultaneously, these macroeconomic variables significantly affect stock prices, with an Adjusted R² of 66.6%, indicating that the proposed model explains a substantial proportion of stock price variation. These findings highlight the importance of macroeconomic stability in supporting capital market performance. The study provides practical implications for investors in developing investment strategies based on macroeconomic indicators and for policymakers in designing monetary and economic policies that promote market stability and strengthen investor confidence.

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 Andyan Pradipta Utama 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 Mila Rachmawati 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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