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Social Trust: Fairness Matters More Than Homogeneity



This article explores whether homogeneity or fairness better explains generalized interpersonal trust across countries. Although some research suggests that ethnic diversity and income heterogeneity have a negative impact on social trust, I argue that cross-national variations in social trust are better explained by fairness: fair procedural rules (democracy), fair administration of rules (freedom from corruption), and fair income distribution (relatively equal but also unskewed). This expectation is confirmed by a multilevel analysis of data from the World Values Surveys and European Values Study covering 170,000 individuals in 80 countries.