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All Journal MATRIK: JURNAL MANAJEMEN, STRATEGI BISNIS, DAN KEWIRAUSAHAAN MIX : Jurnal Ilmiah Manajemen Inobis: Jurnal Inovasi Bisnis dan Manajemen Indonesia Indonesian Journal of Business Analytics (IJBA) International Journal of Management Research and Economics E-Jurnal Manajemen INTERNATIONAL JOURNAL OF ECONOMIC LITERATURE (INJOLE)
Ni Ketut Purnawati
Fakultas Ekonomi Dan Bisnis Universitas Udayana
Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Social Sciences

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Testing of January Effect on the Indonesian Capital Market: Sectoral Analysis of GARCH Models I Gusti Bagus Wiksuana; Ni Ketut Purnawati; I Made Surya Negara Sudirman.
Matrik : Jurnal Manajemen, Strategi Bisnis, dan Kewirausahaan Volume 15 Nomor 2 Tahun 2021
Publisher : Faculty of Economics and Business Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (444.403 KB) | DOI: 10.24843/MATRIK:JMBK.2021.v15.i02.p12

Abstract

January Effect is the stock returns in January are higher than other months. This study uses the Generalized Autoregresive Conditional Heteroscedasticity (GARCH) method to test and analyze the January Effect in the Indonesian capital market from 2000 dd. 2018. The novelty of this study is a research methodology that classifies samples by sector and period on the January Effect test. The results of this study indicate that the January Effect occurs in several sectors and period. The January Effect occurs in the mining sector, consumer goods sector, property sector, and trade sector. Thus, the results of this study confirm the tax loss selling hypothesis and window dressing hypothesis in several sectors and observation periods. This shows that the January Effect is related to the characteristics of the sector and the period of observation.
Analisis Pengendalian Kualitas Proses Produksi Pie Susu Pada Perusahaan Pie Susu Di Kota Denpasar Ni Kadek Ratna Sari; Ni Ketut Purnawati
INOBIS: Jurnal Inovasi Bisnis dan Manajemen Indonesia Vol. 1 No. 3 (2018): INOBIS: Jurnal Inovasi Bisnis dan Manajemen Indonesia - Edisi Juni 2018
Publisher : Forum Inovasi Bisnis dan Manajemen

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (807.625 KB) | DOI: 10.31842/jurnal-inobis.v1i3.37

Abstract

Penelitian ini bertujuan untuk mengetahui apakah pengendalian kualitas proses yang dilakukan oleh Perusahaan Pie Susu sudah optimal. Penelitian dilakukan di Perusahaan Pie Susu di Kota Denpasar. Penelitian menggunakan metode deskriptif. Metode pengambilan sampel untuk tes kualitas menggunakan random sampling. Data yang digunakan adalah jumlah kerusakan pada produksi periode Oktober sampai dengan November 2017. Teknik analisis data menggunakan statistical quality control, yaitu diagram peta kendali p (p-Chart) dan diagram sebab akibat serta untuk menganalisis penyebab masalah. Hasil analisis biaya kualitas menunjukkan pengendalian kualitas belum optimal, karena tingkat kerusakan aktual 7884 biji pie susu total biaya kualitas (TQC) sebesar Rp 45.130.510 yang terdiri dari biaya pengawasan kualitas (QCC) sebesar Rp 35.669.710 dan biaya jaminan kualitas (QAC) sebesar Rp 9.460.800 lebih besar dibandingkan tingkat kerusakan optimal dengan total biaya kualitas (TQC*) sebesar Rp 36.740.386 yang terdiri dari biaya pengawasan kualitas (QCC*) sebesar Rp 18.370.786 dan biaya jaminan kualitas (QAC*) sebesar Rp 18.369.600. 
Optimization Of Online Motorcycle Taxi Driver Partner Registration Services At PT XYZ Bali Branch Office Ni Kadek Ratna Puspitasari; Ni Ketut Purnawati
International Journal of Management Research and Economics Vol. 3 No. 2 (2025): May : International Journal of Management Research and Economics
Publisher : Institut Teknologi dan Bisnis (ITB) Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54066/ijmre-itb.v3i2.3157

Abstract

This study aims to determine the optimal queue system configuration for online motorcycle taxi driver partner registration services at the PT XYZ Bali Branch Office using a quantitative approach. Data on arrival time, service time, and operational costs were analyzed through queuing theory using the POM-QM software. The analysis results show that although phases 1, 2, and 4 meet efficiency criteria (utilization below 70%), reducing the number of servers in phases 1 and 2 can lower operational costs, as the queuing cost is lower than the service cost. Meanwhile, phase 3 shows a high utilization rate (80%), but adding a server increases the total cost. Therefore, the study recommends implementing an interchange schedule to dynamically allocate servers during peak hours to maintain a balance between cost efficiency and service capacity. Additionally, the implementation of self-service in phase 2 is proposed to enhance efficiency without reducing service capacity, with experimental results showing an increase in service rates from 2 to 7 registrants per hour. These findings contribute to the development of a more efficient and applicable queuing model and serve as a reference for companies in improving service quality and registrant satisfaction.
PERAN KEUNGGULAN KOMPETITIF DALAM MEMEDIASI PENGARUH SUPPLY CHAIN MANAGEMENT TERHADAP KINERJA PERUSAHAAN PT. SINAR SOSRO I Kadek Dita Puja Maherja; Ni Ketut Purnawati
E-Jurnal Manajemen Vol. 14 No. 12 (2025)
Publisher : Program Studi Sarjana Manajemen, Fakultas Ekonomi dan Bisnis, Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/EJMUNUD.2025.v14.i12.p03

Abstract

Kinerja perusahaan merupakan suatu keadaan yang dihasilkan oleh suatu perusahaan dengan mengacu pada standar penilaian kinerja perusahaan. Perusahaan perlu berupaya untuk terus meningkatkan kinerjanya agar tidak terbuang di tengah persaingan yang ketat. Sangat penting bagi perusahaan meperhatikan supply chain management dalam upaya meningkatkan nilai tambah yang dirasakan untuk konsumen akhir yang menjadi keunggulan kompetitif dalam upaya meningkatkan kinerja perusahaan. Tujuan penelitian ini menjelaskan peran keunggulan komppetitif sebagai mediator diantara supply chain management dengan kinerja perusahaan pada PT. Sinar Sosro Gianyar. Penelitian ini menggunakan pendekatan kuantitatif dengan teknik pengumpulan data melalui kuesioner yang dibagikan kepada seluruh karyawan PT. Sinar Sosro. Teknik sampling yang digunakan adalah sampling jenuh, dengan seluruh populasi dijadikan sampel yaitu 90 karyawan. Analisis data yang digunakan dengan metode analisi jalur (path analysis). Hasil penelitian ini menunjukan bahwa supply chain management berpengaruh positif dan signifikan terhadap kinerja perusahaan, begitu pula dengan keunggulan kompetitif yang memiliki pengaruh poositif dan signifikan terhadap kinerja perusahaan. Keunggulan kompetitif secara signifikan memediasi pengaruh supply chain management terhadap kinerja perusahaan. Implikasi penelitian ini  menekankan pentingnya bagi PT. Sinar Sosro untuk terus meningkatkan praktik supply chain management dan meningkatkan keunggulan kompetitif  untuk meningkatka kinerja perusahaan.   Company performance reflects the results achieved based on performance assessment standards. To survive in intense competition, companies must improve their performance. One critical strategy is strengthening supply chain management to increase the added value for end consumers, thereby gaining a competitive advantage. This study aims to examine the role of competitive advantage as a mediating variable in the relationship between supply chain management and company performance at PT Sinar Sosro Gianyar. A quantitative approach was employed, with data collected through questionnaires distributed to all 90 employees using a saturated sampling technique. The data were analyzed using path analysis. The findings reveal that supply chain management has a positive and significant impact on company performance. Additionally, competitive advantage also positively and significantly affects company performance. Furthermore, competitive advantage is proven to significantly mediate the relationship between supply chain management and company performance. These results suggest that companies, particularly PT Sinar Sosro, should continuously improve their supply chain management practices and focus on enhancing competitive advantage. Strengthening these two aspects can lead to better performance and a more sustainable competitive position in the market.
QUALITY CONTROL ANALYSIS OF LEATHER BAG PRODUCT USING SIX SIGMA METHOD AT CV CHIDEHAFU Qibtya Salma; Ni Ketut Purnawati
INTERNATIONAL JOURNAL OF ECONOMIC LITERATURE Vol. 2 No. 11 (2025): AUGUST
Publisher : Adisam Publisher

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

Abstract

The increasing competitiveness in the manufacturing industry drives companies to continuously improve efficiency and product quality to meet customer needs and expectations. In the leather-based craft industry, product quality becomes a key benchmark that directly influences marketability and customer loyalty. CV Chidehafu Denpasar, a producer of leather bags, faces challenges in reducing product defects that could impact production costs and brand image. Based on production documentation from January 2024 to April 2025, the defect rate was found to exceed the company's tolerance threshold of 1%. This study employs the Six Sigma method using the DMAIC (Define, Measure, Analyze, Improve, Control) approach to design a more effective quality control plan. The analysis reveals that out of 4,800 total units produced, 717 were defective, resulting in a DPMO value of 29,880 or equivalent to a 3.3 sigma level. The most common defects include dirty leather, scratched surfaces, and loose stitching. Through Pareto and FMEA analysis, several improvement actions were proposed, focusing on raw material handling and operator skill enhancement. The implementation of Six Sigma-based quality control is expected to significantly reduce product defects and enhance the overall efficiency and quality of leather bag production at CV Chidehafu Denpasar.
The Impact of Total Quality Management on Company Performance on the X Online Transportation Service Platform in Bali Putu Diri Adnyana; Ni Ketut Purnawati
Indonesian Journal of Business Analytics Vol. 6 No. 3 (2026): June 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/ijba.v6i3.16498

Abstract

Company performance is the primary benchmark for assessing how well an organization can survive and compete. In the gig economy, a company’s success depends heavily on effective resource management to maintain service quality for users. Therefore, this study was conducted to examine how implementing total quality management affects the company’s performance. Using quantitative methods, data were collected from 140 active driver-partners via convenience sampling and analyzed with multiple linear regression in SPSS. The results of the study showed that simultaneously, the TQM dimension had a positive and significant influence on the company’s performance. Partly, the focus on customers and the efficiency of the operational system proved to be the dominant factors driving the company’s performance in Bali. However, the education and training dimensions were found not to affect the company’s performance. These findings suggest that system reliability and service quality in the field determine performance stability more than formal training programs do.
From Productivity To Sustainable Competitive Advantage: Unpacking The Mediation Of Financial Performance And Business Diversification Ni Putu Santi Suryantini; I Wayan Edi Arsawan; Viktor Koval; Ni Ketut Purnawati; Ni Wayan Emmy Rosiana Dewi
MIX: JURNAL ILMIAH MANAJEMEN Vol. 16 No. 3 (2026): MIX : Jurnal Ilmiah Manajemen
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/jurnal_mix.2026.v16i3.007

Abstract

Objectives: This research aimed to examine the full sequential mechanism of sustainable competitive advantage (SCA). Specifically, it examined fintech adoption and organizational creativity as antecedents of productivity, and evaluated financial performance and business diversification as mediators bridging productivity and SCA.Methodology: A three-wave procedure including 420 respondents from 210 SMEs was conducted and analyzed using Smart PLS.Finding: The results showed that productivity was an important driver of financial performance, business diversification, and SCA. Additionally, financial performance and business diversification mediated the relationship between productivity and SCA. This study provided a basis for understanding the relevance of technology adoption and creativity to improve performance and competitiveness in SMEs. Furthermore, it provided insight into the importance of collaboration at the individual and management levels as a strong foundation for building competitiveness.Conclusion: This study shows that there is a significant direct relationship between financial technology and organizational creativity on organizational productivity, organizational productivity on financial performance, business diversification, and SCA. This study also shows the role of financial performance and business diversification as mediators.
PERAN MAINTENANCE DALAM MEMODERASI PENGARUH SERVICE QUALITY TERHADAP KINERJA PERUSAHAAN AUTOBAGUS RENT A CAR I Gusti Agung Ananta Bawika; Ni Ketut Purnawati
E-Jurnal Manajemen Vol. 15 No. 5 (2026)
Publisher : Program Studi Sarjana Manajemen, Fakultas Ekonomi dan Bisnis, Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/EJMUNUD.2026.v15.i5.p05

Abstract

Kinerja perusahaan merupakan capaian yang dihasilkan melalui berbagai aktivitas operasional yang dijalankan organisasi. Service quality sering dipandang sebagai faktor yang mampu memengaruhi tingkat kepuasan, sehingga dapat meningkatkan kinerja. Pada perusahaan jasa transportasi yang menggunakan fasilitas (kendaraan), maintenance akan memengaruhi kelancaran proses operasi pelayanan. Analisis pengaruh service quality terhadap kinerja perusahaan serta menilai apakah maintenance mampu memoderasi hubungan kualitas layanan dengan kinerja perusahaan Autobagus Rent a Car merupakan tujuan dari penelitian ini. Pendekatan kuantitatif dengan jenis penelitian digunakan dalam penelitian ini, yang melibatkan 59 karyawan sebagai responden. Data diperoleh melalui observasi, wawancara, dan penyebaran kuesioner. Hasil wawancara dari 59 responden menunjukkan hasil baik dari ketiga variabel yang diuji, dengan rata-rata nilai service quality sebesar 3,94, maintenance sebesar 3,84, dan kinerja perusahaan sebesar 3,83. Analisis statistik menggunakan Metode Moderated Regression Analysis (MRA) mengungkap bahwa nilai koefisien regresi service quality senilai 0,199 dengan tingkat signifikansi 0,137. Nilai koefisien peran moderator maintenance terhadap hubungan service quality terhadap kinerja perusahaan senilai -0,012 dan tingkat signifikansi senilai 0,890 Temuan ini menunjukkan bahwa service quality tidak berpengaruh signifikan terhadap kinerja dan maintenance tidak berfungsi sebagai variabel yang memoderasi hubungan tersebut.   Company performance reflects the outcomes achieved through a series of operational activities. Service quality is one factor that can influence customer satisfaction and potentially improve performance. In transportation service companies that rely on vehicle readiness, maintenance is essential for ensuring that operational activities run smoothly and without disruption. Analyzing the influence of service quality on company performance and to assess whether maintenance serves as a moderating variable in that relationship within Autobagus Rent a Car is the purpose of this study. This research applies an associative, quantitative approach involving 59 employees as respondents. Result from data gathered through observation, interviews, and questionnaires indicates the mean scores are 3.94 for service quality, 3.84 for maintenance, and 3.83 for company performance. The MRA results show that service quality has a regression coefficient of 0.199 on performance, accompanied by a significance level of 0.137. The interaction term between maintenance and service quality produces a coefficient of –0.012 with a significance value of 0.890. The analysis indicates that service quality lacks significant influence on firm performance, while maintenance does not play a moderating role in the link between service quality and performance outcomes.
Co-Authors A. A. Sagung Putra Pradnya Paramitha Dame Prawira Silaban Dewa Ayu Anjani Dewa Gede Eka Narendra Putra Dina Paulina I Gusti Agung Ananta Bawika I Gusti Bagus Wiksuana I Gusti Made Diah Windari I Kadek Dita Puja Maherja I Made Dana I Made Ivan Adiwinata I Made Surya Negara Sudirman I Made Wirayuda Dinata I Putu Adi Sanjaya I Putu Pujanam Surya Buana I Putu Putra Adi Darmawan I Wayan Edi Arsawan I Wayan Edi Suliastawan Ida Ayu Aishwarya Rai Ida Ayu Gede Dewi Ida Bagus Nyoman Puja Wijaya Kiky Jenitha Rosalia Made Ratih Nurmalasari Nelly Agustina Musabbihan Ni Kadek Ratna Puspitasari Ni Kadek Ratna Sari Ni Kadek Ratna Sari Ni Luh Putu Mita Dani Puspita Ni Luh Putu Pratiwi Lestari Ni Putu Laras Mulyani Ni Putu Putri Warniti Ni Putu Santi Suryantini Ni Putu Tara Damayanti Dewi Ni Wayan Emmy Rosiana Dewi Nina Sufiana Putu Diri Adnyana Putu Sri Puspytha Ratnasari Putu Yudi Setiawan Qibtya Salma Tri Satya Pradnyandari Viktor Koval