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All Journal Indonesian Journal of Law and Economics Review Competitive
Sondakh, Eduard
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Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Transportation

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MODEL PERSEDIAAN UNTUK BARANG MENGUSANG DENGAN LEAD TIME BERDISTRIBUSI EKSPONENSIAL Sondakh, Eduard; Mulyati, Erna
Competitive Vol. 19 No. 2 (2024): Jurnal Competitive
Publisher : PPM Universitas Logistik dan Bisnis Internasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36618/competitive.v19i2.4077

Abstract

Model persediaan untuk barang yang mengalami penurunan kualitas telah menjadi fokus penting dalam penelitian karena banyaknya produk yang rusak selama penyimpanan, seperti makanan dan obat-obatan. Penelitian sebelumnya belum sepenuhnya mempertimbangkan pengaruh lead time dalam mengembangkan model persediaan barang rusak. Studi ini bertujuan mengembangkan model persediaan dengan mempertimbangkan lead time berdistribusi eksponensial, di mana permintaan berkurang secara eksponensial dan barang yang rusak tidak dapat dipulihkan. Model ini mencakup analisis biaya penyimpanan, kekurangan, pengusangan, dan pemesanan untuk menentukan waktu siklus optimal serta titik pemesanan kembali. Dalam artikel ini akan mengembangkan model matematika dengan mempertimbangkan pengusangan dengan laju konstan dan lead time berdistribusi eksponensial dan laju permintaannya meluruh secara eksponensial. Hasil analisis menunjukkan bahwa lead time yang bervariasi mempengaruhi reorder point. Metode numerik digunakan untuk menentukan nilai optimal waktu siklus, sedangkan solusi tertutup tidak ditemukan dalam penelitian ini. Studi mendatang dapat memperluas model dengan mencari solusi eksplisit bagi waktu siklus optimal.
Yurisometry as an Alternative Approach in Normative Legal Research in Indonesia: A Conceptual Study Budiana, Budiana; Maulana, Galih Afif Sylva; Anugrah, Dicky; Dani, Mohamad; Sondakh, Eduard
Indonesian Journal of Law and Economics Review Vol. 21 No. 2 (2026): May
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijler.v21i2.1492

Abstract

General Background: Legal scholarship in Indonesia is predominantly shaped by normative legal research, which examines legislation, legal principles, and legal doctrines as the foundation of juridical reasoning. Specific Background: While this approach contributes significantly to legal certainty and systematic legal analysis, judicial practice frequently reveals variations in the interpretation and application of legal norms in court decisions. Knowledge Gap: Normative legal research alone often encounters limitations in explaining recurring patterns, interpretative tendencies, and inconsistencies within judicial rulings, and the conceptual discourse on integrating jurimetrics into normative legal methodology in Indonesia remains limited. Aims: This study examines jurimetrics as an alternative complementary approach to normative legal research in Indonesia through a conceptual legal study. Results: The analysis indicates that jurimetrics, which utilizes legal data such as court decisions to identify patterns, trends, and levels of consistency in legal interpretation, can function as an analytical instrument supporting normative reasoning without replacing doctrinal analysis. Novelty: The study conceptually positions jurimetrics within the methodological framework of normative legal research as a bridge connecting legal norms with judicial practice. Implications: The integration of jurimetrics offers methodological relevance for developing normative legal research that remains doctrinal and prescriptive while becoming more responsive to the dynamics of judicial decision-making in Indonesia. Highlights: Data-oriented examination of court rulings reveals recurring reasoning patterns and interpretative tendencies in adjudication. Analytical integration links doctrinal examination of legal norms with observable judicial decision patterns. Conceptual framework situates jurimetrics as a methodological complement within Indonesian legal scholarship. Keywords: Normative Law, Complementary, Judiciary, Legal Principles, Jurimetrics
Co-Authors Anugrah, Dicky Budiana, Budiana Dani, Mohamad Erna Mulyati Maulana, Galih Afif Sylva