Linear and nonlinear shelf space allocation problems with vertical and horizontal bands

Czerniachowska Kateryna (), Lutosławski Krzysztof () and Hernes Marcin ()
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Czerniachowska Kateryna: Department of Process Management, Faculty of Management, Wroclaw University of Economics and Business, Poland
Lutosławski Krzysztof: Department of Process Management, Faculty of Management, Wroclaw University of Economics and Business, Poland
Hernes Marcin: Department of Process Management, Faculty of Management, Wroclaw University of Economics and Business, Poland

Journal of Economics and Management, 2022, vol. 44, issue 1, 119-141

Abstract: Aim/purpose – Shelf space is one of the most important tools for attracting customers’ attention in a retail store. This paper aims to develop a practical shelf space allocation model with visible vertical and horizontal categories. and formulate it in linear and non-linear forms. Design/methodology/approach – The research is mainly based on operational research. Simulation, mathematical optimization, and linear and nonlinear programming methods are mainly used. Special attention is given to the decision variables and constraints. Changing the dimensioning of the decision variables results in an improvement in the formulation of the problem, which in turn allows for obtaining an optimal solution. Findings – A comparison of the developed shelf space allocation models with visible vertical and horizontal categories in linear and nonlinear forms is presented. The computational experiments were performed with the help of CPLEX solver, which shows that the optimal solution of the linear problem formulation was obtained within a couple of seconds. However, a nonlinear form of this problem found the optimal solution only in 19 out of 45 instances. An increase in the time limits slightly improves the performance of the solutions of the nonlinear form. Research implications/limitations – The main implication of research results for science is related to the possibility of determining an optimal solution to the initially formulated nonlinear shelf space allocation problem. The main implication for practice is to take into consideration the practical constraints based on customers’ requirements. The main limitations are the lack of storage conditions and holding time constraints. Originality/value/contribution – The main contribution is related to developing mathematical models that consider simultaneous categorization of products vertically, based on one characteristic, and horizontally, based on another characteristic. Contribution is also related to extending the shelf space allocation theory with the shelf space allocation problem model in relation to four sets of constraints: shelf constraints, product constraints, orientation constraints, and band constraints.

Keywords: Retailing; decision making/process; merchandising; shelf space allocation; planogram (search for similar items in EconPapers)
JEL-codes: C61 L81 (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:vrs:jecman:v:44:y:2022:i:1:p:119-141:n:9

DOI: 10.22367/jem.2022.44.06

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