Fuzzy Multi-Item Newsvendor Problem: An Application to Inventory Management

João M. C. Sousa (), Rodrigo Luís, Rui Mirra Santos, Luís Mendonça and Susana M. Vieira
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João M. C. Sousa: IDMEC, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal
Rodrigo Luís: IDMEC, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal
Rui Mirra Santos: IDMEC, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal
Luís Mendonça: IDMEC, Escola Superior Náutica Infante D. Henrique (ENIDH), 2770-058 Paço de Arcos, Portugal
Susana M. Vieira: IDMEC, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal

Mathematics, 2024, vol. 12, issue 11, 1-17

Abstract: This paper proposes a novel approach to the fuzzy newsvendor problem for inventory management applications. The main contributions of the paper are the following: a new credibility estimation is proposed, to explore the neighborhood around the most impactful demand scenarios; a simulation procedure was designed for the different demand scenarios, which allows comparison of the proposed approach with classical and fuzzy multi-item newsvendor problems; a modified genetic algorithm (GA) is introduced to ameliorate previous genetic algorithms in both the generation and evaluation of solutions. The new formulation of the fuzzy newsvendor problem, together with the modified GA, were shown to improve the average profit by up to 55% in problems with low-budget scenarios.

Keywords: multi-item newsvendor problem; fuzzy newsvendor problem; inventory management; genetic algorithms; credibility estimation (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2024
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