A number of studies have found a negative relationship between ethnic diversity and social capital and assumed from this a harmful effect of diversity on social cohesion. This article suggests that social cohesion must be treated as a multifaceted concept and any analysis into the relationship between diversity and social capital needs to be complemented by an analysis of diversity's effect on 'relations between ethnic groups'. Our results show that while increasing diversity does have a negative impact on social capital, it simultaneously improves perceptions of, and relations between, ethnic groups. Furthermore, we find that forming 'bridging' ties in diverse environments plays a significant role in the positive relationship between diversity and tolerance, and that the presence of 'bridging' ties can also reduce the negative impact of diversity on social capital. However, while our results show that diversity has both positive and negative effects on social cohesion, we find that it is disadvantage which has the most detrimental impact, undermining both social capital and interethnic relations. We also find evidence that using a more sensitive measure of diversity (creating an area typology based on the proportional size, number, and type of ethnic groups in an area) reveals that living in different structures of diversity may lead to different social cohesion outcomes.

Studies demonstrate a negative association between community ethnic diversity and indicators of social cohesion (especially attitudes towards neighbours and the community), suggesting diversity causes a decline in social cohesion. However, to date, the evidence for this claim is based solely on cross-sectional research. This article performs the first longitudinal test of the impact of diversity, applying fixed-effects modelling methods to three waves of panel data from the British Household Panel Survey, spanning a period of 18 years. Using an indicator of affective attachment, the findings suggest that changes in community diversity do lead to changes in attitudes towards the community. However, this effect differs by whether the change in diversity stems from a community increasing in diversity around individuals who do not move (stayers) or individuals moving into more or less diverse communities (movers). Increasing diversity undermines attitudes among stayers. Individuals who move from a diverse to a homogeneous community report improved attitudes. However, there is no effect among individuals who move from a homogeneous to a diverse community. This article provides strong evidence that the effect of community diversity is likely causal, but that prior preferences for/against out-group neighbours may condition diversity's impact. It also demonstrates that multiple causal processes are in operation at the individual-level, occurring among both stayers and movers, which collectively contribute to the emergence of average cross-sectional differences in attitudes between communities. Unique insights into the causal impact of community disadvantage also emerge.

This study advances the current literature investigating the relationship between contextual out-group exposure, inter-group attitudes and the role of inter-group contact. Firstly, it introduces the concept of contact-valence into this relationship; that is, whether contact is experienced positively or negatively. Secondly, it presents a comparative analysis of how processes of out-group exposure and frequency of (valenced) contact affect prejudice across both neighbourhoods and workplaces. Applying path analysis modelling to a nationally-representative sample of white British individuals in England, we demonstrate, across both contexts, that increasing out-group exposure is associated with higher rates of both positively- and negatively-valenced contact. This results in exposure exhibiting both positive and negative indirect associations with prejudice via more frequent inter-group mixing. These countervailing contact-pathways help explain how out-group exposure is associated with inter-group attitudes. In neighbourhoods, increasing numbers of individuals experiencing positive-contact suppress an otherwise negative effect of neighbourhood diversity (driven partly by increasing numbers of individuals reporting negative contact). Across workplaces the effect differs such that increasing numbers of individuals experiencing negative-contact suppress an otherwise positive effect of workplace diversity (driven largely by increasing numbers of individuals experiencing positive contact).

This paper explores the potential impact of the Covid-19 pandemic on people's perceptions of cohesion in their local communities; particularly for vulnerable groups/communities, such as ethnic minorities or those living in highly deprived neighbourhoods. To this end, we examine both trends over time in overall levels of cohesion as well as patterns of positive and negative changes experienced by individuals using nationally representative data from Understanding Society Study. We test whether rates of positive-/negativechange in cohesion over the pandemic-period differed across sociodemographic groups and neighbourhood characteristics. These trends are then compared to patterns of positive-/negative-change over time experienced in earlier periods to test whether the pandemic was uniquely harmful. We show that the overall levels of social cohesion are lower in June 2020 compared to all of the examined pre-pandemic periods. The decline of perceived-cohesion is particularly high in the most deprived communities, among certain ethnic minority groups and among the lower-skilled. Our findings suggest that the pandemic put higher strain on social-resources among vulnerable groups and communities, who also experienced more negative changes in other areas of life.

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