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All Journal Jurnal Ekonomi, Bisnis dan Kewirausahaan (JEBIK) Teknik dan Ilmu Komputer Journal of Indonesian Economy and Business ComTech: Computer, Mathematics and Engineering Applications Indonesian Capital Market Review
wendy Wendy
Tanjungpura University, Pontianak
Computer Science & IT Economics, Econometrics & Finance Engineering Mathematics

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 1 
USULAN PENJADWALAN JOB DENGAN METODE CAMPBELL, DUDEK AND SMITH (CDS) DAN METODE NAWAZ, ENSCORE AND HAM (NEH) UNTUK MEMINIMASI MAKESPAN PROSES STAMPING PART ISUZU DI LINE B PT XYZ Gozali, Lina; Widodo, Lamto; Wendy, Wendy
Teknik dan Ilmu Komputer vol. 2 no. 5 Januari-Maret 2013
Publisher : Teknik dan Ilmu Komputer

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Abstract

 Competition in this globalization era has led manufacturing enterprises improving their production andservices by enhancing the engine utility and accuracy in the production completion to meet the schedule set. PT. XYZ is a company engaged in the automotive industry, especially in the field of stamping parts or four-wheeled vehiclescomponents. The purpose of this study is to minimize the processing time (makespan) of the ISUZU stamping parts production process in the Line B of PT. XYZ. The proposed scheduling method consists of two: Campbell, Dudek, and Smith (CDS) and Nawaz, Enscore and Ham (NEH). CDS Methods combine machines sorted from the smallest to the largest based on the Johnsons rule. NEH heuristic sorted the job in two different sequences (J1-J2 and J2-J1), selected the smallest makespan and carried it on until the n jobs. The two methods applied resulted in different job sequences to be compared with the scheduling applied in the company. NEH method is a method with the best makespan time which is 4,858 minutes. It can save 252 minutes of scheduling makespan from the original schedule of 5,110 minutes. Keywords:             scheduling the series, the method of Campbell, Dudek and Smith (CDS), the method Nawaz, Enscore and Ham (NEH), makespan
PSYCHOLOGICAL BIASES IN INVESTMENT DECISIONS: AN EXPERIMENTAL STUDY OF MYOPIC BEHAVIOR IN DEVELOPING CAPITAL MARKETS Wendy, Wendy; Asri, Marwan
Journal of Indonesian Economy and Business Vol 27, No 2 (2012): May
Publisher : Journal of Indonesian Economy and Business

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (78.489 KB)

Abstract

This paper attempts to analyze the psychological biases that affect investors in making risky investment decisions based on the theory of Myopic Loss Aversion (MLA). The datawere obtained from two sources (students and stock investors) which in turn were manipulated by two types of treatment (frequent and infrequent), using a mixed design of betweenwithin subjects with a 2 x 2 factorial. The experimental result showed the consistency of the two groups of participants to the theory of the MLA. Analysis of the gender showed that the boldness levels of the male participants and female participants in the group of investors were the same, while in the student group, gender showed a significant influence. Other findings included a "shock-effect" experienced by the participants during the experiment. Keywords: behavioral finance, myopic loss aversion, frequent-infrequent, gender, and shock-effect
Analisis dan Perancangan Aplikasi Berbasis Web E-Procurement di PT Pillar Utama Contrindo Kurniali, Sartika; Rudy, Rudy; Wijoyo, Alex Chandra; Ferdianto, Ferdianto; Wendy, Wendy
ComTech: Computer, Mathematics and Engineering Applications Vol 3, No 2 (2012): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v3i2.2314

Abstract

The aim of this research is to analyze the current business process at the procurement department at PT Pillar Utama Contrindo as well as develop a web based e-procurement application prototype to supportprocurement process at the company. Interview, survey, as well as analysis and design to develop the prototype are used in the research. The research results in an e-procurement application prototype built to minimize errors on related document filling, help the company to get best price on their supply, and increase control. It can be concluded from the research that the protoype can be implemented to be a tool for the users to decide the best supplier, obtain the best price, and increase control in buying process at PT Pillar Utama Contrindo.
Efek Moderasi Size dalam Pengungkapan Sukarela: Bukti Empiris di Bursa Efek Indonesia Wendy, Wendy
Jurnal Ekonomi Bisnis dan Kewirausahaan Vol 9, No 1 (2020): Jurnal Ekonomi Bisnis dan Kewirausahaan
Publisher : Fakultas Ekonomi dan Bisnis, UNTAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (534.102 KB) | DOI: 10.26418/jebik.v9i1.37244

Abstract

The purpose of this study is to analyze the determinants of voluntary disclosure (VD) by using three non-interaction models and one interaction model. This paper observes four VD’s determinants (ownership dispersion, managerial ownership, audit committee, and independent commissioners), one control variable (capital structure), and one moderating variable (total asset). By using panel data analysis (225 observations) on the Indonesia Stock Exchange (IDX), it is found that the total asset can be used as the moderating variable in explaining the determinants of VD in IDX. Furthermore, the interaction model shows better results than non-interaction models. Managerial ownership, independent commissioners, and ownership dispersion show high consistency with the tested hypotheses. This is different from the audit committee which does not support the hypothesis. These findings implicate managerial policies that need to consider good corporate governance in supporting the voluntary disclosure of public companies in Indonesia. Strengthening external validity in the form of replication, developing research models, and refining research methods is needed to strengthen the managerial implications. Testing the robustness by simulating various substitute proxies to optimize the generalization of research findings needs to be considered in future studies.
Bond Ratings dan Antesedennya: Studi Empiris di Bursa Efek Indonesia Wendy, Wendy; Sianturi, Rosita Naomi
Jurnal Ekonomi Bisnis dan Kewirausahaan (JEBIK) Vol 6, No 1 (2017): Jurnal Ekonomi Bisnis dan Kewirausahaan
Publisher : Fakultas Ekonomi dan Bisnis, UNTAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (350.209 KB) | DOI: 10.26418/jebik.v6i1.20727

Abstract

This paper provides the empirical evidence of corporate growth, maturity, and operating cash flows on the bond ratings. It was conducted on 34 bonds issued by the 16 non-financial companies on the Indonesia Stock Exchange (IDX) which also issued bonds, registered in the Indonesia Bond Market Directory, and rated by PEFINDO during 2012 - 2014. The hypotheses were tested using the logistic regression analysis. The result shows that corporate growth has significant effect on the bond ratings, while maturity and operating cash flow have no significant effect. Another finding shows that the firm size can also affect the bond ratings. 
The Formation of Rational and Irrational Behaviors in Risky Investment Decision Making: Laboratory Experiment of Coping Theory Implication in Investors’ Adaptation Model Wendy, Wendy; Asri, Marwan; Hartono, Jogiyanto
The Indonesian Capital Market Review Vol. 4, No. 2
Publisher : UI Scholars Hub

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Abstract

This study analyzes the stock investor's rational and irrational behavior formation through Investor's Adaptation model. Hypotheses testings were conducted by manipulating four market conditions using between-subject experimental design. The results supported the hypotheses proposed in this study. When given treatment one (opportunity-high control), investors tended to adapt the profit maximizing strategy (rational). Meanwhile, when given treatment two (opportunity-low control), three (threat-high control) and four (threat-low control), they tended to adapt the profit satisfying strategy (rational-emotional), bad news handling strategy (emotional-rational), and self-preserving strategy (irrational) respectively. The application of rational strategies are intended to obtain personal benefits and profit, while adapting irrational strategy is intended to recover emotional stability and reduce some other tensions. Another finding showed that for the investors, the relatively irrational decision formation was "harder" than that of rational.
Co-Authors Ferdianto, Ferdianto Jogiyanto Hartono Kurniali, Sartika Lamto Widodo Lina Gozali Marwan Asri Rudy Rudy Sianturi, Rosita Naomi Wijoyo, Alex Chandra