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This paper aims to investigate the impact of assortment size and attribute quantity on the depth and content of consumer information searches.

For a computer-aided experiment using an information display board, participants (n = 393) were placed in a simulated shopping situation that involved choosing a product among three sets of frequently purchased, low-involvement, FMCG alternatives.

The findings show that when the assortment size increases, consumers acquire information from more products and cues but sacrifice product attributes. In particular, this sacrifice comes at the expense of secondary product attributes (e.g. nutrition information, country of origin), whereas primary product attributes (e.g. brand name, price) remain constant. Attribute quantity does not have a significant effect on information search.

Provided that several strategies rely on providing more information to consumers with the aim of making more deliberate and better choices, the findings suggest that they may have a limited effect in product categories in which the assortment size is wide. The authors discuss the implications for category management and public policy.

Information searches are measured by means of three different variables (searched cues, searched products and searched attributes), which enable a more complex exploration of the consumer information search process.

This paper seeks to promote an understanding of gender effects on retirement plan participation as a function of fund assortment size.

A decision simulation was conducted among 349 US adults whose task was to invest in a hypothetical 401(k) retirement plan. The number of mutual funds offered for investment was varied and the effects on the incidence and extent of participation observed.

The results indicate that larger fund assortments tend to reduce participation among women, but increase it among men.

Replication in other contexts and with other data sets would be worthwhile.

To enhance retirement plan adoption/participation, financial service firms may want to tailor such plans according to gender (and other consumer characteristics) according to the present set of findings.

First time authors are aware that the interaction between gender and assortment size is examined.

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.

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.

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.

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.

A critical issue faced by retailers is determining the composition of the product assortment in every category and setting the price levels for each product without compromising category‐level customer demand or operational efficiency. The purpose of this paper is to propose a novel, model‐based clustering approach to bring parsimony to retailers' assortment configuration and pricing process. The objective of the model is to group alternative assortment configurations into sets to which the category exhibits equivalent vulnerability.

In this method, each possible assortment and pricing configuration is first conceptualized as a unified entity and then these entities are clustered based on the vulnerability of category level sales. The authors illustrate the benefits of this new method for category planning using two sets of data for brands of soft drinks and enhanced water, collected from a panel of adult customers.

The results from both data sets show that several assortment configurations, varying significantly in terms of numbers of products and prices, result in similar levels of category vulnerability. In other words, several widely‐different product‐pricing combinations result in similar levels of category demand.

The paper's findings imply that retailers can bring parsimony to their category management process by shifting their strategic focus from individual brands to assortment clusters. Specifically, they can select the most efficient or the smallest assortment from each cluster without sacrificing category demand. Overall, the authors' approach can help simplify the complex decision‐making process related to product selection and price setting, and help retailers achieve the dual objective of operational efficiency and high category demand.

The authors analyze the relationship between different consumer attitudinal variables and a number of variables related to consumer perception of the store and purchasing behavior, in assortments composed exclusively of private labels (PLs).

The authors developed an experiment based on an online survey to test the hypotheses formulated. The model’s causal relationships are established using structural equations.

The image of stores that only offer their own brand is mainly configured by price consciousness and the attitude toward the private label. The private label purchase intention is strongly influenced by the store image and a favorable attitude toward the brand, and loyalty strategies should be aimed at securing a clear perception of providing real value.

For retailers who only offer their own brands, an assortment with price-competitive PLs is key to the strategy of differentiating them from other retailers. It is reasonable to assume that, if retailers have a favorable image, customers transfer this brand value to their PLs and trust them. Customer loyalty strategies of these retailers should be aimed at ensuring that consumers clearly perceive that their assortment provides real value and that, although it is limited in terms of number of brands, it can meet all their needs.

This research represents a significant contribution to brand management literature because, includes, together with loyalty to the store, its image and the PL purchase intention as consumer response variables. Another differentiating feature is the methodology used. Estimation of the structural equation model permits the simultaneous estimation of the relationships between the variables.

Analizamos la relación entre diferentes variables actitudinales de los consumidores y un número de variables relativas a la percepción de los consumidores con respecto al establecimiento y el comportamiento de compra, todo ello en surtidos compuestos exclusivamente por marcas de distribuidor.

Desarrollamos un experimento online, basado en una encuesta, para testar las hipótesis planteadas. Utilizamos ecuaciones estructurales para determiner las relaciones causales del modelo.

La imagen de los establecimientos que ofrecen exclusivamente su propia marca se configura, principalmente, por la conciencia de precio y por la actitud de los consumidores hacia la marca privada. La intención de compra de la marca de distribuidor está fuertemente influenciada por la imagen del establecimiento y por una actitud favorable hacia dicha marca, por lo que las estrategias de fidelización de clientes deberían estar orientadas a asegurar una clara percepción de proporcionar valor real a los consumidores.

Para los minoristas que ofertan exclusivamente sus propias marcas, un surtido con marcas de distribuidor muy competitivas en precio es fundamental en su estrategia de diferenciación de sus competidores. Además, es razonable suponer que si los minoristas cuentan con una imagen favorable, los consumidores trasladarán este valor de marca a sus propias marcas propias y confiarán en ellas. Las estrategias de fidelización de este tipo de minoristas deberían ir enfocadas a asegurarse de que los consumidores perciben claramente el valor real que aporta su surtido y que, aunque limitado en términos de número de marcas y alternativas, les permite cubrir todas sus necesidades.

Esta investigación supone una significativa contribución a la literatura sobre gestión de marcas al incluir, conjuntamente con la lealtad al establecimiento, su imagen y la intención de compra de la marca de distribuidor como variables respuesta del consumidor. Otro elemento diferenciador es la metodología empleada, ya que la estimación del modelo de ecuaciones estructurales permite la estimación simultánea de las relaciones entre las distintas variables.

Retailers may respond to a manufacturer discontinuing a brand or product range in three ways: not offering an alternative, thus reducing the assortment size; replacing it with a substitute; or introducing a rebranded product by the same manufacturer, if such an option is available. This study aims to evaluate all three scenarios and assess the extent to which total category sales are affected; how these discontinuations affect alternative offerings within the product category; and whether usage levels moderate within category switching behaviour. Shoppers did not have the option of switching stores to acquire the discontinued brand – their preferred brand/product range ceased to exist.

All three studies are quasi-experiments using scanner panel data. The product discontinuations examined are real events that took place within the major supermarket chain in New Zealand.

In all the three scenarios, average category sales decreased for the three-month period following the discontinuation. In Study 1, where a preferred brand of milk was discontinued with no replacement, overall category sales decreased but competing brands gained sales; introducing a replacement corn chip range (Study 2) successfully captured the spend on the discontinued range, but other brands lost sales; and rebranding a cereal (Study 3) decreased both brand sales and category sales. With the exception of Study 1, near-substitute product offerings did not capture a greater proportion of the spend from the discontinued brand as compared to less similar substitutes. Expectations were that heavy users would have a greater propensity to shift to near alternatives than would medium/light users; however, none of the studies lend support.

This is the first research effort to use scanner panel data to explore the reactions by brand loyal customers to three different brand discontinuation scenarios initiated by the manufacturer.

This paper aims to first investigate how unit pricing affects consumers’ grocery purchase decisions and perceptions of the shopping task’s information load. The second goal is to test how time pressure enhances the behavioural and perceptual effects of displaying unit prices.

Two on-line experiments were conducted using national samples of shoppers. In Study 1, participants indicated their choices and perceptions in an inter-brand shopping scenario where prepackaged products have conflicting positions on retail price and unit price. In Study 2, participants conducted the same shopping task but now under a condition of time pressure.

Study 1 shows that unit pricing shifts consumer choices towards the lower unit priced options and improves their perceptions of task information load. Study 2 shows that when consumers are under time pressure, unit pricing shows stronger effects on choices but not on perceptions.

The study comprised a fairly homogenous set of low involvement categories and relatively small assortments in a hypothetical purchase setting. Exploration of the role of unit pricing in more complex and more realistic purchase environments pose suitable avenues for future research.

This study shows that consumers benefit from unit pricing because it makes it easier for them to find the lower unit priced items and to more quickly complete their shopping task. Retailers will benefit from increased customer satisfaction and possibly an improved store image.

The study shows that consumers generally benefit from the presence of unit pricing and that unit price information does not create harmful effects in terms of increasing their information load.

This study uses a specifically designed and controlled but nevertheless realistic grocery choice task to study the effects of unit pricing in an inter-brand context where there are only small differences in size and price. The study contributes to the literature by showing that in such conditions, unit prices help consumers compare the economic losses associated with product options. Their heuristic role is more pronounced when consumers are under time pressure. The study shows that consumers generally benefit from the presence of unit prices.