Garuda - Garba Rujukan Digital

Simulation and Implementation Model of Productivity Measurement Internet Bandwidth Usage Tjahjanto Tjahjanto; Benhard Sitohang; Sudarso Kaderi Wiryono
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 13, No 3: September 2015
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v13i3.1544

The Internet is used by a very large number of users, from the ordinary user community, through special users, like people with high intellectual level. The growth in the number of users is increasing very fast. Internet has also been used by multi-sector businesses with multi profession. It makes information the internet usage something very strategic, one of which information productivity internet bandwidth usage. This paper describes a model implementation and simulation of productivity measurement internet bandwidth usage, which describes all possible measurement values obtained, and is a continuation of previous research, which is the basic concept of productivity in the use of internet bandwidth and how to measure it, so that the measuring results can be used as a guide in determine the direction of policy and the provision of productive Internet bandwidth usage.

The Commuting Mode Choice of Students of Institut Teknologi Bandung, Indonesia Prawira Fajarindra Belgiawan; Raden Aswin Rahadi; Annisa Rahmani Qastharin; Lidia Mayangsari; Reza Ashari Nasution; Sudarso Kaderi Wiryono
Journal of Regional and City Planning Vol. 32 No. 2 (2021)
Publisher : The Institute for Research and Community Services, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/jpwk.2021.32.2.4

This research explored the commuting mode preferences of students living near Institut Teknologi Bandung when a new mode of transportation (i.e., carpool) is introduced to the selection list. Six alternative modes were presented: minibus, car, motorcycle, car-based ride-sourcing, motorcycle-based ride-sourcing, and carpool. The data collection process was conducted using a questionnaire-based stated-preferences survey. It included eight sets of labeled scenarios with a number of attributes: travel time, travel cost, waiting time, transfer amount, access and egress time, frequency, congestion time, baggage cost, and parking cost. A total of 1416 observations were acquired for further analysis. A mixed logit (MXL) model with random cost parameter and random error components was used. From the MXL results, we found that travel cost had no significant influence on the selection of commuting mode among students. This result was unforeseen given the characteristics of Indonesian consumers, who are notoriously sensitive to price. However, based on the results for several significant attributes of carpool as well as from the value of travel time savings and demand calculation, we suggest that carpooling is a valid alternative transport mode for campus commuting. As a pioneer study on student commuting mode selection, this study provided valid and dependable evidence on how students around ITB main campus choose their transportation methods. Abstrak. Penelitian ini mengeksplorasi preferensi moda perjalanan pulang pergi mahasiswa yang tinggal di dekat Institut Teknologi Bandung ketika moda transportasi baru (yaitu angkutan bersama) menjadi salah satu pilihan moda. Terdata enam moda alternatif yang disajikan: angkot, mobil, sepeda motor, taksi daring, ojek daring, dan angkutan bersama. Proses pengumpulan data dilakukan dengan menggunakan metoda survei stated-preference berbasis kuesioner. Survei tersebut meliputi delapan skenario berlabel dengan sejumlah atribut: waktu perjalanan, biaya perjalanan, waktu tunggu, banyaknya perpindahan moda, waktu perjalanan menuju tempat angkutan umum dan waktu perjalanan menuju tempat tujuan, frekuensi kedatangan, waktu kemacetan, biaya bagasi, dan biaya parkir. Sebanyak 1416 pengamatan diperoleh untuk analisis lebih lanjut. Model mixed logit (MXL) dengan parameter biaya acak dan komponen error acak digunakan. Dari hasil MXL, kami menemukan bahwa biaya perjalanan tidak berpengaruh signifikan terhadap pemilihan moda perjalanan pulang pergi di kalangan mahasiswa. Hasil ini tidak terduga mengingat karakteristik konsumen Indonesia yang terkenal sensitif terhadap harga. Namun, berdasarkan hasil untuk beberapa atribut signifikan dari angkutan bersama serta dari nilai penghematan waktu perjalanan dan perhitungan permintaan, kami menyarankan bahwa angkutan bersama adalah moda transportasi alternatif yang valid untuk komuter kampus. Sebagai studi perintis dalam pemilihan moda perjalanan pulang pergi mahasiswa, studi ini memberikan bukti yang valid dan dapat diandalkan tentang bagaimana mahasiswa di sekitar kampus utama ITB memilih metode transportasi mereka. Keywords. angkutan bersama, mahasiswa ITB, mixed logit, elastisitas, nilai waktu.

Foreign Ownership and Corporate Financial Decision Making: A Review and Future Research Agenda Mandra Lazuardi Kitri; Sudarso Kaderi Wiryono; Yunieta Anny Nainggolan
Jurnal Akuntansi dan Bisnis Vol 22, No 2 (2022)
Publisher : Accounting Study Program, Faculty Economics and Business, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jab.v22i2.793

Individuals, firms, and even countries face scarcity due to limited resources. To overcome this problem, especially in the need for capital resources, firms and countries try to acquire additional capital externally through foreign investment. Previous research has been conducted to examine the effect of foreign ownership on a firm’s decision-making and performance. However, the systematic literature review shows that the results are still inconclusive and bring confusion for firms and governments in determining their strategy for promoting foreign investment. There are two gaps identified surrounding current research on foreign ownership that needs special attention. First, most research considers foreign ownership as an ownership type and puts less attention on the actual ownership types. Second, research has found that different characteristics of the home or host country involved in foreign investment may moderate the relationship between foreign ownership and a firm’s decision-making but only considers a one-sided observation of country characteristics (home or host country only). This research proposes future research agenda in examining how different foreign owner’s ownership types affect a firm’s decision-making, risk, and performance and whether country characteristics differences moderate the relationships between foreign owner’s ownership types, firm’s decision-making, risk, and performance. Individu, perusahaan, dan bahkan negara menghadapi persoalan kelangkaan akibat terbatasnya sumber daya. Untuk menghadapi hal tersebut, terutama terkait dengan kebutuhan modal, perusahaan dan negara berupaya untuk memperoleh tambahan modal melalui sumber eksternal berupa investasi asing. Penelitian terdahulu telah dilakukan untuk mengetahui efek dari kepemilikan asing terhadap pengambilan keputusan dan kinerja perusahaan. Namun, hasil penelitian-penelitian tersebut masih beragam dan membawa kebingungan bagi perusahaan dan negara dalam memutuskan strategi untuk mempromosikan investasi asing. Terdapat dua persoalan yang ditemukan dalam penelitian-penelitian terkait kepemilikan asing. Pertama, sebagian besar penelitian menilai kepemilikan asing sebagai jenis kepemilikan dan kurang memperhatikan jenis pemilik asing sesungguhnya. Kedua, beberapa penelitian menemukan bahwa karakteristik negara memoderasi hubungan antara kepemilikan asing dan pengambilan keputusan serta kinerja perusahaan, namun penelitian-penelitian tersebut hanya mempertimbangkan satu sisi karakteristik negara (asal investor atau lokasi perusahaan). Penelitian ini mengusulkan agar agenda riset masa depan dapat menggali pengaruh perbedaan tipe kepemilikan pemilik asing terhadap pengambilan keputusan, risiko, dan kinerja perusahaan serta bagaimana perbedaan karakteristik negara dapat memoderasi hubungan antara tipe pemilik asing dengan pengambilan keputusan, risiko, dan kinerja perusahaan.

Financial Robo-Advisor: Learning from Academic Literature Eneng Nur Hasanah; Sudarso Kaderi Wiryono; Deddy P. Koesrindartoto
Jurnal Minds: Manajemen Ide dan Inspirasi Vol 10 No 1 (2023): June
Publisher : Management Department, Universitas Islam Negeri Alauddin Makassar, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/minds.v10i1.33428

Financial Robo-Advisor is the technology that integrates machine learning and self-identification to determine investment decisions. This study explores the financial robo-advisor based on bibliometric analysis and a systematic literature review. The method used three steps: determining the keyword, bibliometric analysis of literature metadata using VOSviewer, then collecting and analysing the articles. The bibliometric analysis results show five cluster keywords defined with different colors. In the network visualization, the robo-advisor connects to other keywords: investment, fintech, and artificial intelligence. Furthermore, the systematic literature review shows that the articles are divided into seven research objectives: (1) Law, Regulation, and Policy; (2) Investment Literate and Education; (3) Offered Services; (4) Present Risk-Portfolio Matching Technology; (5) Optimal Portfolio Methods; (6) Human-Robo Interaction; (7) Theoretical Design and Gap. Furthermore, this study can be used by academicians and practitioners to find out about robo-advisors based on an academic perspective.

The Benefit of Sustainable Engagement for the Firms: Is It Still Need Earnings Management? Dini Lestari; Sudarso Kaderi Wiryono
AFEBI Management and Business Review Vol. 8 No. 1 (2023): June
Publisher : Asosiasi Fakultas Ekonomi dan Bisnis Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar

The study's objective is the need for critical re-examinations on the sustainability practices of firms that benefit from transparent, accurate, and, importantly, relevant financial and non-financial information including corporate social responsibility (CSR) and environmental, social and governance (ESG) performance on their reporting. The research will investigate the relationship between sustainable practice and the cost of capital and earnings management as the moderating variable. The samples are 41 state-owned enterprises (SOEs) and private companies listed on Indonesia Stock Exchange (IDX). The source of the data from the annual report and sustainability reporting is obtained from the firm's website. The research is a quantitative study with generalized least square (GLS) random effect of the regression. Findings show that sustainable engagement in Indonesian firms has significant relation to the cost of capital but earnings management is not related to moderating variables' role between them.

Case of Indonesia: government bond issuer investor relations strategy Firman Darwis; Sudarso Kaderi Wiryono; Ahmad Danu Prasetyo
JPPI (Jurnal Penelitian Pendidikan Indonesia) Vol 8, No 4 (2022): JPPI (Jurnal Penelitian Pendidikan Indonesia)
Publisher : Indonesian Institute for Counseling, Education and Theraphy (IICET)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29210/020221722

This study elaborates Indonesia's investor relations activities in building and maintaining positive perceptions of the Indonesian economy as a debt issuer in international financial markets. The study begins with several theories in investor relations, communication strategies, and investor relations current practices in Indonesia. By referring to various theories related to investor relations, an assessment is carried out that focuses on strengthening efforts in preparing the framework for the communication strategy of investor relations in the Republic of Indonesia. In addition, this study also aims to produce a communication strategy framework that can be applied in preparing sharper, focused, and goal-oriented work programs and communication strategies. This study resulted in a framework for strengthening investor relations strategies in Indonesia which have taken into account factors according to investor relations theory and the strategic environment that has become the concern of the international financial community.

Case of Indonesia: government bond issuer investor relations strategy Firman Darwis; Sudarso Kaderi Wiryono; Ahmad Danu Prasetyo
JPPI (Jurnal Penelitian Pendidikan Indonesia) Vol 8, No 4 (2022): JPPI (Jurnal Penelitian Pendidikan Indonesia)
Publisher : Indonesian Institute for Counseling, Education and Theraphy (IICET)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29210/020221722

This study elaborates Indonesia's investor relations activities in building and maintaining positive perceptions of the Indonesian economy as a debt issuer in international financial markets. The study begins with several theories in investor relations, communication strategies, and investor relations current practices in Indonesia. By referring to various theories related to investor relations, an assessment is carried out that focuses on strengthening efforts in preparing the framework for the communication strategy of investor relations in the Republic of Indonesia. In addition, this study also aims to produce a communication strategy framework that can be applied in preparing sharper, focused, and goal-oriented work programs and communication strategies. This study resulted in a framework for strengthening investor relations strategies in Indonesia which have taken into account factors according to investor relations theory and the strategic environment that has become the concern of the international financial community.

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