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Purpose – The purpose of this chapter is to examine the connection between actual variety (the number of stock-keeping units (SKUs)) and amount of useable variety that the consumer perceives. The optimal combination for a retailer is to offer an assortment that maximizes the perceived assortment variety while minimizing the perceived inter-item complexity. Both measures are a function of the actual variety offered in an assortment but other factors such as attribute structure of the individual items, assortment organization, and individual differences can alter the way the actual variety is perceived.Design/methodology/approach – The main methodology used in the chapter is a comprehensive, critical literature review of the empirical research on the topic.Findings – We find that while assortments with a large number of SKUs are desirable for attracting consumers to the category, too large assortments can result in consumer frustration and confusion. On the other hand, when assortments are small, the perceived variety or attention to the category may be limited.Value/originality – Our review shows ways a retailer can adapt to these challenges. First, we show that assortments are viewed in stages. In the first stage, high perceptions of variety are beneficial. When assortments are small, increasing perceived variety can be accomplished by increasing the number of subcategories within the assortment, adding in packaging cues, or using other emotional affective descriptors to further define options within the assortment. In the second or choice stage, too much variety can increase perceived complexity. Perceived complexity at this stage can be reduced by simplifying the complexity of the individual items within the assortment by increasing alignability of attributes, using a simplifying external organizational structure for the assortment, or helping consumers learn their preference.

The purpose of this paper is to investigate consumers’ variety perception for online grocery assortments and, more generally, to better understand consumers’ attitude toward digital assortments. In particular, this research examines the influence of the organization of products that results from assortment structure and display.

Starting from the observation that previous work on traditional assortments is not sufficient to understand consumers’ perceptions and attitudes, the paper adopts a hypothetico-deductive approach and develops four hypotheses. These hypotheses are tested using an experimental approach.

This research enables us to see that both attitude and variety perception are affected by the way products are organized on a website. Furthermore, contrary to what the literature on traditional assortments allows one to assume, the assortment corresponding to a more positive attitude is not perceived as being the more varied. As a result, our findings reconsider the link between variety perception and consumer assortment evaluation for digital assortments.

The work is based on data collected for only one product category. It would be interesting to explore other categories also, to determine if the structure of the assortment and variety perception have stable effects.

The results inform retailers that they must carefully design the display of their digital assortments. If a retailer wants to enhance variety perception, the authors recommend using an assortment organized by brand, or presenting all the products together. If, instead, the goal is to encourage a positive attitude, the retailer should opt for assortments sorted by attribute or that present all products together.

This research adopts a new orientation on assortment perception and evaluation, considering the specificities involved in digitizing assortments. In addition, this research studies a real product category and puts respondents in experimental conditions close to reality.

The purpose of this paper is to examine the joint effects of menu pages (single page vs multiple pages) and assortment organization (benefit- vs attribute-based) on consumers’ perceptions of variety with large assortments.

A 2 (assortment structure: single page vs multiple pages)×2 (assortment organization: benefit- vs attribute-based) experimental between-subjects design was used to test the hypotheses.

The results suggest that with a one-page tea menu, participants perceived greater variety with the attribute-based (e.g. black teas, herbal teas, green teas, and oolong teas) menu than with the (e.g. energy-boosting, stress-relief, weight loss, and immune system-improvement) benefit-based menu. Conversely, when the menu was displayed on four pages, participants showed similar perceptions of variety across the two menu types.

In some contexts, 20 menu items may not be considered a large assortment. Also, the authors did not test consumers’ preexisting preferences.

When food service operators offer an extensive benefit-based menu, it is advisable to place the options over multiple pages. If the menu needs to be displayed on a single spatial unit (e.g. a black board, or applications on a tablet or smartphone), practitioners should organize the menu based on attributes rather than benefits.

Although the demand for healthy dining options has led many foodservice operators to apply benefit-based organization to items on their menus, for example, by using terms such as “energy-boosting,” “stress-relief,” “weight-loss,” and “immune system-improvement,” little is known about the effectiveness of such a strategy.

The purpose of this paper is to analyze consumers’ reaction to assortment composition.

This study examines several scenarios: private label (PL)-only assortments; mixed assortments (PL and national brands (NBs)), and in the latter case both small and large assortments. Consumers’ reaction is measured through three dependent variables: store image, PL purchase intention and store-switching intentions. The authors ran a structural equation model (SEM) to analyze the influence of different explanatory aspects (product category involvement, attitude toward PL, value consciousness and assortment variety perception) on consumers’ reactions for each scenario. For this research, the authors carried out an online experiment with a sample of 1,400 individuals from a large panel of consumers.

Consumers react differently to different assortment compositions, giving importance to the differences between the three assortment models analyzed. The results show that the composition of the assortment, either according to its size or its structure, influences consumers’ response in a significant way. The results demonstrate that store image exclusively affects PL purchase intention in PL-only assortments. Only in mixed assortments is there a relationship between the assortment variety perception and store image, product category involvement and PL purchase intention, and both store image and value consciousness are related to store-switching intentions. Store-switching intentions decrease when consumers intend to purchase PL, but strictly in PL-only and large mixed assortments. Finally, value consciousness and variety perception are positively related to PL purchase intentions only in large mixed assortments.

One limitation of this research is that it is restricted to the Spanish context. Second, the methodology is based on an online experiment, with the advantages and disadvantages that this entails. Third, the authors did not differentiate between high- and low-value PL which, if undertaken, could be of interest for observing how brand value affects the management of retail assortments. Finally, the authors did not differentiate regular buyers at these retail chains from those who are not.

The comparison between different assortment compositions helps the authors to draw some very interesting conclusions. The estimation of different consumers’ responses is ideal for providing retailers with recommendations on how to frame their assortment strategies. Thus, the main recommendation of this study for retailers is to look for a “balance” between PL and NBs, i.e., to offer mixed assortments.

Aside from mixed assortments, this study estimates the consequences of assortments that are exclusively PL. The authors proposed and deployed a SEM, so this paper contributes to the retailing field by including multiple dependent variables – store image, PL purchase intention and store-switching intentions. The authors conducted an online experiment containing “real” brands, which is another contribution as it enables consumers’ response to be estimated in a “real” environment.

Recently, the popularity of store brands has resulted in some manufacturer brands being removed from shelves. The current literature lacks empirical work on the effect of manufacturer brand erosion on consumer assortment perception and repatronage intention. Based on signalling theory, the purpose of this paper is to manufacturer brands play a signalling role and contend that manufacturer brand erosion has detrimental effects on the assortment perception due to reduced signalling efficacy.

A 3 (low manufacturer brand erosion vs high manufacturer brand erosion vs manufacturer brand dominance) ×2 (assortment size: small vs large) between-subject experiment was conducted.

Manufacturer brand erosion exerts a negative effect on assortment attractiveness and consumers’ repatronage intention; the greater the erosion, the larger the negative effect. These negative effects are mediated by reduced consumer perceptions of assortment quality and variety. A large (vs small) assortment size attenuates the negative effect of manufacturer brand erosion by improving perceived assortment quality.

To engage in strategic positioning through efficient assortment management, retailers should cooperate with brand manufacturers, instead of promoting their own private labels. Nevertheless, a large assortment dominated by store brands signals that the retailer has built a strong private brand, which in turn gains a differentiation advantage.

This paper is among the first to take the signalling perspective and explicitly investigate whether and how manufacturer brand erosion exerts a significant impact on assortment perception.

Understanding the effect of assortment composition on attentional levels is an essential topic for academic researchers and practitioners. This work has important implications when analyzing the influence of shopping frame time and search effort on the relationship between the reaction to assortment composition and visual attention to stock-keeping units (SKUs) pricing.

Two experimental studies through gauze behavior analysis technology (using eye-tracking equipment) analyze the variable's large assortment, visual attention to SKU pricing, search effort and shopping frame time.

The results suggest that, although it increases the search effort, a large assortment decreases the visual attention to SKU pricing. Further, our results indicate a moderating effect associated with mitigating the negative effect by medium-low levels of search effort and a moderating impact of time in this relation.

Marketing professionals can carefully optimize the in-store experience by managing the assortment and variety and by influencing consumers' visual attention to SKU pricing along the journey as part of the experience. Assortment and SKU pricing strategies need to be aligned with consumer journey design.

Our findings contribute to assortment theory and management by detailing the relationship between consumers' reactions to assortment perception and visual attention to SKU pricing in time flow. We reinforce the importance of considering assortment strategies from the consumer perspective and giving reliable information about in-store behavior.

This research shows that to reach their prime goal of building an efficient assortment, retailers need, beside increasing the outlet’s cost‐efficiency, to evaluate shoppers’ assortment perceptions so that what the store actually offers can be tailored to meet customers’ needs and expectations. Our findings reveal that consumers’ perceptions of the assortment range stems from the combination of few indicators, mainly the number of stock‐keeping units proposed and the availability of the favorite brands. Also demonstrates that consumers evaluation of the overall store assortment draws on the perceived choice within the product categories where they are highly sensitive to the assortment range.

This paper aims to apply intuition theory to clarify consumers’ assortment evaluations. For each decision process, this paper explores how perceptions of organization and variety influence consumers’ attitudes and purchase intentions.

In total, 504 observations were collected across three product categories. Perceived choice, time and expertise in the product category provide proxies to distinguish between intuitive and deliberative systems. The intuitive system further consists of intuition based on either expertise or heuristics.

It was revealed that distinct decision processes (deliberative, intuitive based on expertise and intuitive based on heuristics) affect the link between assortment perceptions and consumers’ assortment evaluations. Consumers’ evaluations in deliberative- and heuristic-based intuitive systems rely more on perceptions of organization than of variety; whereas intuitive judgments based on expertise depend almost equally on both perceptions.

Some limitations have to be underlined. The approximations used could be more precise and are subjective in nature. Moreover, the ordinary product categories that were studied might encourage more intuitive decisions by consumers. If so, the deliberative mode of thinking might have been underrepresented in this sample.

Despite the limitations, this research is, to our knowledge, the first to explore the influence of intuition theory on ordinary shopping and in particular on assortment perception. As such, it contributes to a deeper understanding of this theory in the field.

The purpose of this paper is to investigate the relationship between several aspects of store flyers design (presence of a institutional slogan, type of product (national brand (NB) or store brand (SB)) featured on the cover page, the size of the flyer, number of featured NBs, type of brand (NB vs SB) on promotion, and price difference between the most expensive (NB) and the cheapest SB) and the consumer’s perceived variety of the retailer’s assortment, as a dimension of its global image.

A mixed laboratory experiment that combined a between-subjects experimental design and inter-subject conjoint analysis was conducted. A fictitious flyer from a fictitious supermarket was created that included both real NBs and fictitious SBs. In total, 12 scenarios (i.e. flyers) were tested using a sample of 406 participants.

Analysis suggests that longer flyers have the greatest influence on consumers’ perceived variety of a retailer’s assortment; a greater number of NBs in a category influenced consumers’ perceptions positively, and featuring SBs on the cover enhanced perceived variety. If a retailer features SBs on a flyer’s cover, longer flyers are recommended, and shorter flyers are recommended if NBs are featured on the cover. A retailer should promote its own brand only if the most expensive NBs are featured with SBs.

This study analyses a single aspect of consumers’ purchasing behaviors – variety of a retailer’s assortment. Future research should examine other variables related to consumers’ purchasing behaviors. This study uses an online context to test hypotheses, but many aspects of flyer design are physical. Future research should test current findings in offline contexts to compare results. Research should also explore moderation by consumer variables such as brand and store loyalty.

To researchers, the authors offer improved understanding of how a flyer’s design affects the first stage of purchasing. To practitioners, results offer better understanding of positive returns on investment of store flyers, and to retailers, results offer a guide to creating and organizing flyers.

This study is first to assess how a flyer’s design influences a dimension of store image. Unlike extant research that examines store flyers using econometric models at the aggregate level, this study uses a laboratory experiment that combines a between-subjects design with conjoint analysis.

Research on cross cultural differences in preference for variety is scarce. Such research is important because it addresses a marketing instrument for which substantial cultural variations are to be expected. This paper attempts to highlight relevant literature of the domains of cultural psychology as well as marketing psychology with a review to stimulate research. Furthermore, the objective of this paper is to point out specific research directions.

First, theories on variety perception and variety seeking are discussed in order to highlight consumers' benefits of variety. Second, theories of behavioral decision making are reflected and consumers' costs of variety are illuminated. Third, theories and results of cultural psychology are reviewed with regard to underlying psychological processes about consumers' reactions to variety.

This paper stresses several aspects. Initially, consumers' perceptions of variety differ from the actual variety provided by a manufacturer or retailer. Literature indicates that consumers' benefits and costs of perceived variety differ systematically across cultures. Independent consumers in individualistic cultures place a premium on choice, on variety seeking and on personal freedom. While they are attracted by large variety, current cultural theory suggests that they also encounter greater cognitive and emotional costs than individuals in collectivistic cultures when ultimately choosing.

This paper introduces a new and promising area of research and highlights relevant psychological as well as cultural psychological theories. Several research directions regarding customer reactions to variety are detailed.