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The New York Times has suggested replacing sustainable fashion with responsible fashion, emphasizing the need for joint efforts by both individual consumers and retailers to take responsibility for their own decisions and actions. This study seeks to investigate the mechanism that activates individuals' personal social responsibility (PSR) and its association with their perceived corporate social responsibility (CSR) from a responsible luxury fashion retailer.

An online experiment was conducted with a nationwide US sample of luxury consumers who were randomly assigned to either individuation or deindividuation groups. Covariance-based structural equation modeling (CB-SEM) and multi-group SEM were employed to test the hypotheses.

Individuals' universalism positively affected PSR, which then enhanced their recognition of a responsible luxury retailer’s CSR and led to a greater willingness to pay a premium. More importantly, the positive effect of universalism on PSR was strengthened when consumers’ unique individuality, rather than their deindividuated state, was emphasized. Moreover, the moderating effect of individuation was indirectly transmitted through PSR to perceived CSR, hence reinforcing the relationship between PSR and CSR.

This study significantly advances existing scholarship on sustainable luxury retailing and adds rigor to deindividuation theory by demonstrating the central role of PSR and the moderating effect of individuation in enhancing recognition of a luxury fashion retailer’s CSR commitments. The findings provide luxury fashion retailers with communication and marketing strategies that highlight consumers' unique individuality to more effectively activate their sense of personal responsibility and thereby increase their recognition of the retailer’s CSR.

This study aims to explore the effects of expertise diversity on project efficiency and creativity in health-care project teams.

This study analyzes hierarchical linear models using multi-source data from 50 project teams in a large health-care organization in the USA. This data set includes self-reported survey responses from 274 team members and human resource information for all 515 members across the 50 teams. Expertise diversity is operationalized by professional diversity and positional diversity reflecting two dimensions, domain and level, of the concept of expertise.

This study reveals that professional diversity is negatively related to project efficiency and project creativity, whereas positional diversity is positively related to project efficiency.

Successfully managing a project team of experts within a limited time frame is a challenge for organizations. This study advances the understanding of the double-edged sword effect of expertise diversity on project teams, focusing on professional and positional diversity. It provides important insights for human resource development in terms of the composition of project teams regarding members’ expertise.