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Where do You Buy Your Friday Tacos?: Identifying Product Combinations Across Store Format
KTH, School of Industrial Engineering and Management (ITM).
2024 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Var Köper Du Din Fredags-tacos? : Identifikation av Produktkombinationer över Butiksformat (Swedish)
Abstract [en]

This study identifies common product combinations within the grocery sector across store formats. Although store formats and product combinations have been studied previously, they have been examined separately in different contexts and not together. This constitutes a research gap that this study aims to address. The objective is to propose strategies that improve the product offering for each store format and its target customer. The combinations are developed at product category level as well as on item level, where the combinations are formed for one product group on item level. Additionally, the study examines whether the most associated categories contribute to overall profitability compared to categories with the highest sales and receipt share. The results provide insights into which assortment strategies companies should focus on to better reach their customers.

Customer receipts from Coop Sweden are used, with data from Coop, Stora Coop, and X:-tra. Market basket analysis, specifically the apriori algorithm, is employed to create- the associations. The results showed the most associated categories and items, and the specific combinations. At the item level, the category cheese was chosen due to its high sales and association. The study’s findings suggest that Coop should adapt its offering with high-quality and environmentally friendly products for sporadic and environmentally conscious customers. Stora Coop should offer larger packages for planned purchases and tailor its assortment for breakfast and dinner planning. X:- tra stores should focus on cost-conscious, value-based baskets and clearly defined baskets, where their customers often buy private labels and have well-defined shopping patterns.

Abstract [sv]

Denna studie identifierar frekventa produktkombinationer inom dagligvaruhandeln för olika butiksformat. Trots att butiksformat och produktkombinationer har studerats tidigare, har de undersökts i olika sammanhang och inte tillsammans. Detta utgör ett forskningsgap som denna studie avser att fylla. Målet är att föreslå strategier som förbättrar produktutbudet för varje butiksformat och dess kundgrupper. Kombinationerna genereras både på produktkategorinivå och på artikelnivå, där alla kombinationer på artikelnivå produceras från en produktgrupp. Dessutom undersöks om de mest associerade kategorierna bidrar till den totala lönsamheten jämfört med kategorier med högst försäljning och högst kvittoandel. Resultaten ger insikter om vilka sortimentsstrategier företag bör fokusera på för att bättre nå sina kunder.

Kundkvitton från Coop Sverige används, med data från Coop, Stora Coop och X:- tra. Marknadskorgsanalys, specifikt apriori-algoritmen, för att skapa associationer mellan butikstyperna. Resultaten visade de mest associerade produktkategorierna och artiklarna samt signifikanta kombinationer. På artikelnivå valdes kategorin ost då kategorin visade på hög försäljning och association. Studiens resultat tyder på att Coop bör anpassa sitt sortiment med kvalitativa och miljövänliga produkter för sporadiska och miljömedvetna kunder. Stora Coop bör erbjuda större förpackningar för planerade inköp och anpassa sitt sortiment för frukost- och middagsplanering. X:-tra-butiker bör fokusera på kostnadsmedvetna, värdebaserade korgar samt tydligt definierade varukorgar, där deras kunder ofta köper egna varumärken och har väldefinierade inköpsmönster.

Place, publisher, year, edition, pages
2024. , p. 75
Series
TRITA-ITM-EX ; 2024:363
Keywords [en]
Apriori Algorithm, Association Rules, Assortment Optimization, Consumer Behavior, Grocery Sector, Market Basket Analysis, Product Bundles, Spline Regression, Store Formats
Keywords [sv]
Apriori Algoritm, Associeringsregler, Butiksformat, Dagligvaruhandeln, Konsumentbeteende, Marknadskorgsanalys, Produktkombinationer, Sortimentsoptimering, Spline Regression
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-353314OAI: oai:DiVA.org:kth-353314DiVA, id: diva2:1898087
External cooperation
Coop Sverige AB
Supervisors
Examiners
Available from: 2024-09-16 Created: 2024-09-16 Last updated: 2024-09-16Bibliographically approved

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