Ethno-racial similarity, relationship conflict and trust in supervisor-subordinate dyads

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PurposeIn management research, little is known about how ethno-racial minority leaders interact with similar employees in supervisor–subordinate relationships. This study aims to examine and provide a deeper understanding of individuals’ negative reactions to similar others, thus highlighting the double-edged nature of demographic similarity which has historically predicted positive affective reactions.Design/methodology/approachUsing a survey design, the authors collected data from supervisor-subordinate dyads from multiple companies from the Dallas-Fort Worth metroplex in Texas, USA. They used ordinary least squares regression and conditional process analysis to test the hypotheses, including a two-stage moderation and moderated mediation.FindingsIncorporating social context, i.e. minority status, as a moderator, the results show that ethno-racial minority leaders supervising ethno-racially similar subordinates were more vulnerable to relationship conflict than non-minority dyads. This, in turn, is linked to a reduction in the leaders’ feelings of trust toward their ethno-racially similar subordinate.Originality/valueThis study draws on social identity theory and status characteristics theory to explain the contradictory processes and outcomes associated with dyadic ethno-racial similarity and suggests the conditions under which dyad racial similarity is connected with unfavorable outcomes. This framework helps to broaden the boundary conditions of relational demography to provide a more nuanced explanation of when and why minority leaders in demographically similar hierarchical dyads experience more relationship conflict, which ultimately diminishes trust.