Source	Key Point	Key Theme	Assigned Cluster *
Chen, Wan and Levy [67]	Socially excluded consumers show preferences for anthropomorphised brands in seeking for affiliation; the resulted band-consumer relationship is influenced by consumers’ attributions of causes of social isolation.	Anthropomorphism; Brand; Marketplace relationships; Internal and external attribution; Affiliation motivation	Commercial implications
Darcy, Yerbury and Maxwell [64]	Mobile technologies work as assistant technology to support senior people with disability.	Assistant technology; Digital inequality; Mobility and disability issues	Social implications
Das, Echambadi, McCardle and Luckett [31]	Lonely consumers are more likely to use the web for information searching.	Personality	Psychological implications
David and Roberts [38]	Phone snubbed consumers experience social isolation which leads them to social media to regain a sense of inclusion.	Phubbed; Attachment to nonhuman; Reciprocal effect of loneliness	Psychological implications
Dennis, Alamanos, Papagiannidis and Bourlakis [17]	Multi-channel shopping increases the happiness and well-being of socially excluded consumers, such as consumers with mobility/disability issues.	Multi-channel shopping; Mobility and Disability issues; Consumer well-being	Social implications
Dennis, Bourlakis, Alamanos, Papagiannidis and Brakus [62]	social isolation leads consumers to participate in multi-channel shopping, which co-create values for consumers and shopping channels.	Value co-creation; Multi-channel shopping; Mobility and disability issues; Consumer well-being	Social implications
Donthu and Gilliland [26]	Single shoppers by choice or by circumstance demonstrate some unique shopping styles to compensate the feeling of loneliness, including variety seeking, risk aversion, price consciousness, brand consciousness, impulsiveness and TV watching.	Solo shopper; Brand; Impulsive or compulsive buying; Risk-taking	Commercial implications
Duclos, Wan and Jiang [37]	social isolation increases the instrumental value of money which leads consumers to make riskier financial decision	Instrumentality of money; Risk-taking; Gambling	Psychological implications
Feng [69]	Loneliness influences consumers’ responses to anthropomorphic products; product types play a role as well.	Product Selection; Anthropomorphism; Utilitarian and hedonic products	Commercial implications
Fitch [24]	The accessibility of local food and retail stores is assessed for socially excluded consumers	Retail reform; Accessibility; Mobility and disability issues	Social implications
Gao and Mattila [49]	Socially excluded consumers favour distinctive (vs. popular) green hotels due to self-affirmation motivation.	Self-affirmation; Green consumption; Prosocial behaviour; Product selection; Distinctive and popular products	Commercial implications
Gentina, Shrum and Lowrey [39]	Loneliness leads to passive and active coping strategies associated with different types of materialism, which increases or decreases unethical behaviours among young consumers	Materialism; Unethical behaviours	Psychological implications
Goodwin and Lockshin [27]	The concept of solo shoppers is proposed and differentiated from lonely shoppers.	Solo shopper; Stereotypes	Commercial implications
Guèvremont and Grohmann [70]	Socially excluded consumers are more emotionally attached to authentic brand in seeking for belongingness	Brand; Attachment to nonhuman; Self-affirmation	Commercial implications
Guo, Zhang, Liao and Wu [47]	Socially excluded consumers engage with green consumption as a signal to gain social inclusion.	Green consumption; Prosocial behaviour; Costly signalling; Self-sacrifice	Commercial implications
Hart and Royne [65]	Loneliness enhances consumers’ responses to anthropomorphism appeals in the case of advertising messages, leading to a more positive attitude toward the brand	Anthropomorphism; Brand; Persuasion	Commercial implications
Her and Seo [2]	Anticipated loneliness reduces consumers’ intention to dine alone in public restaurant.	Sole shopper;	Commercial implications
Hwang and Mattila [44]	social isolation causes negative emotions (e.g., loneliness) and a sense of losing control which influences consumers’ attitude toward the brand. The relationships are more salient among female consumers.	Gender; Brand;	Commercial implications
Jiang, Li, Li and Li [54]	Cultural influences (individualism and collectivism) moderate socially excluded consumers’ responses to external persuasions; Consumers under individualism (collectivism) culture are more responsive to feelings- (reasons-)based advertisement.	Culture; Individualism and collectivism; Persuasion; Feelings and reasons;	Commercial implications
Jiang, et al. [71]	Socially excluded consumers who have a present- (future-) orientation tend to exert less (more) self-regulation.	Self-regulation; Time orientation	Social implications
Kemp, Moore and Cowart [52]	Lonely consumers respond more favourably to self-referent advertising appeals	Persuasion; Self-affirmation	Commercial implications
Kim and Jang [18]	Lonely consumers tend to cope with loneliness with experiential consumptions such as dining out, travel and drink. Age differences are explored.	Experiential consumption	Social implications
Kim, Kang and Kim [63]	Loneliness leads to older consumers’ mall shopping motivation which can be consumption-related and experiential-related.	Shopping motivation; Experiential and material products	Social implications
Kim, Kim and Kang [58]	Young consumers’ loneliness motivates their media use and shopping behaviour	Shopping motivation	Social implications
Lastovicka and Sirianni [40]	Loneliness enhances consumers’ love of material possession	Materialism; Attachment to nonhuman; Consumer well-being	Psychological implications
Lee and Shrum [6]	Social isolation threatens the differential needs of consumers; the threatened efficacy needs (explicitly rejected) triggers conspicuous consumption, whereas the threatened relational needs (implicitly ignored) triggers prosocial behaviours.	Prosocial behaviour; Conspicuous consumption; Differential needs hypothesis; Self-affirmation; Affiliation motivation	Commercial implications
Lee, Shrum and Yi [45]	Consumers’ behavioural responses to social isolation are dependent on the cultural norm where the exclusion is communicated; norm-congruent communications lead to prosocial behaviour and counter-normative communications lead to conspicuous consumption	Prosocial behaviour; Conspicuous consumption; Differential needs hypothesis; Culture; High-context and low-context communications	Commercial implications
Lim and Kim [60]	Older consumers’ loneliness leads to their parasocial interactions with TV host, which increase their purchasing intention of TV home shopping.	TV home shopping; Parasocial interaction; Mobility and disability issues; Marketplace relationships	Social implications
Lim and Kim [59]	Older consumers’ loneliness motivates their TV home shopping behaviour, which creates a sense of telepresence and leads to consumers’ satisfaction with TV shopping	TV home shopping; Telepresence; Shopping motivation	Social implications
Loughran Dommer, Swaminathan and Ahluwalia [50]	Socially excluded consumers use a brand to differentiate themselves horizontally and vertically; Low self-esteem consumers increase perceptions of group heterogeneity (seek to protect their future belongingness) and subsequently increase their attachment to horizontal (vertical) brands	Brand; Attachment to nonhuman; Affiliation motivation	Commercial implications
Lu and Sinha [53]	Social isolation impairs consumers’ cognitive thinking, which makes them more responsive to affect-based persuasion.	Feelings and reasons; Persuasion	Commercial implications
Mead, Baumeister, Stillman, Rawn and Vohs [33]	Socially excluded consumers use spending and consumption to seek affiliation, where they sacrifice personal and financial well-being for the sake of social well-being.	Affiliation motivation; Spending and consumption; Self-sacrifice	Psychological implications
Mittal and Silvera [3]	Loneliness and gender predict consumers’ attachment to purchases (material and experiential), which explain future purchase intentions.	Extended self; Attachment to nonhuman; Gender; Product selection; Experiential and material products	Commercial implications
Mourey, Olson and Yoon [30]	Consumers attach to anthropomorphic products as an alternative to interpersonal interactions to gain social assurance.	Anthropomorphism; Attachment to nonhuman; Prosocial behaviour; Product selection; Social assurance	Psychological implications
O Sullivan and Richardson [1]	Consumption communities function as a self-help group which provides ‘treatment’ for loneliness.	Community; Gender	Social implications
Orth, Cornwell, Ohlhoff and Naber [68]	Consumers’ loneliness and anthropomorphism tendency moderate their responses to brand visual, leading to brand liking	Brand; Anthropomorphism; Persuasion	Commercial implications
Pieters [34]	Loneliness contributes to materialism, and materialism reinforces consumers’ loneliness to a weaker extent depending on the subtypes of materialism.	Materialism; Reciprocal effect of loneliness; Attachment to nonhuman	Psychological implications
Rippé, Smith and Dubinsky [5]	Loneliness (social and emotional) contributes to consumers’ interaction with in-store salesperson, which leads to purchase intention and retail patronage	In-store interaction; Marketplace relationships	Social implications
Smith, Rippé and Dubinsky [4]	Loneliness (social, emotional and physical isolation) leads to enjoyment of in-store interaction with salespersons.	In-store interaction; Marketplace relationships	Social implications
Snyder and Newman [57]	Lonely consumers express a higher intention to join brand communities in seek for belongingness.	Brand; Community; Marketplace relationships; Affiliation motivation; Consumer well-being	Social implications
Su, Jiang, Chen, DeWall, Dahl and Lee [51]	Social isolation threatens consumers’ sense of control. The motivation of control restoration and belongingness maintenance influence their switching behaviour.	Switching behaviour; Control restoration; Affiliation motivation	Commercial implications
Su, Wan and Jiang [25]	Social isolation causes consumers’ psychological emptiness, which enhances their preference for visual density.	Visual preference; Density; Psychological emptiness; Product selection	Commercial implications
Suresh and Biswas [32]	Loneliness is posited as an antecedent factor to internet addiction which leads to compulsive buying online among young consumers	Impulsive or compulsive buying; Attachment to nonhuman; Internet addiction	Psychological implications
Tan and Hair [35]	Loneliness triggers consumers’ ethnocentrism which leads favourable responses to domestic products; the ethnocentrism reinforces consumers’ loneliness	Product selection; Domestic and foreign products; Ethnocentrism; Reciprocal effect of loneliness	Psychological implications
Thomas and Saenger [7]	Social isolation increases consumers’ motivation to affiliate which modifies their perception of crowded retailing setting and associated shopping behaviour	Visual preference; Affiliation motivation; Crowdedness	Commercial implications
Wan, Xu and Ding [41]	Stable social isolation leads to consumers’ preference for distinctive products due to the self-affirmative motivation.	Product selection; Distinctive and popular products; Self-affirmation; Stable or unstable exclusion	Commercial implications
Wang, Zhu and Shiv [42]	Lonely consumers are more likely to choose minority-endorsed product to maintain their feelings of loneliness, but they choose to conform with the majority when their choice is under public context.	Self-affirmation; Product selection; Affiliation motivation; Distinctive and popular products	Commercial implications
Wang and Lalwani [36]	Culture (independent and interdependent) moderates consumers’ impression management pursuit due to social isolation; interdependent consumers tend to give up impression management when socially excluded.	Impression management; Culture; Independent and interdependent; In-group identification	Psychological implications
Wang and Sirois [43]	Loneliness influences consumers’ visual preference of product, i.e., warmer products are favoured over darker products	Product selection; Visual preference; Warmer and darker products	Commercial implications
Wei [61]	Introversion predicts more severe loneliness due to social distancing during COVID-19.	Social distancing; Personality; COVID-19	Social implications
Whelan, Johnson, Marshall and Thomson [56]	Consumers with interpersonal insecurity turn to marketplace relationships (with brands and salespersons) as a compensation strategy.	Brand; Marketplace relationships; Anxiety and avoidance	Social implications
Xie, Charness, Fingerman, Kaye, Kim and Khurshid [11]	Older consumers are disproportionately affected by the COVID-19 pandemic, which requires solutions	Covid-19; Social distancing;	Social implications
Xie, Chen and Guo [66]	Social isolation moderates consumers’ privacy concern when using anthropomorphic online services and subsequent purchase behaviour.	Anthropomorphism; Privacy	Commercial implications
Xu and Jin [55]	When consumers are socially excluded, they are more likely to have a problem-solving tendency choose utilitarian products. By contrast, when consumers imagine being socially excluded in the future, they are more likely to use emotions to solve problems and choose hedonic products.	Product selection; Utilitarian and hedonic products; Time orientation; Feelings and reasons	Commercial implications
Yang, Yu, Wu and Qi [46]	Socially excluded consumers prefer experiential purchases over material to fulfil relational needs. The effect is stronger among consumers with interdependent self-construal.	Product selection; Experiential and material products; Independent and interdependent; Self-construal	Commercial implications
Yi, Kim and Hwang [48]	Socially excluded consumers tend to choose ordinary products to restore threatened self-concept.	Product selection; Distinctive and popular products	Commercial implications
* Cell colours indicate the assigned clusters of the respective papers in the co-occurrence network.