National identity eases cross-cultural trust problems

Amanda Lea Robinson has a new paper “Nationalism and Ethnic-Based Trust: Evidence from an African Border Region,” here is her main result:

In diverse societies, individuals tend to trust coethnics more than non-coethnics. I argue that identification with a territorially-defined nation, common to all ethnic groups, reduces the degree to which trust is ethnically bounded. I conduct a “lab-in-the-field” experiment at the intersection of national and ethnic boundaries in Malawi, which measures strength of national identification, experimentally manipulates national identity salience, and measures trust behaviorally. I find that shared nationality is a robust predictor of trust, equal in magnitude to the impact of shared ethnicity. Furthermore, national identification moderates the degree to which trust is limited to coethnics: while weak national identifiers trust coethnics more than non-coethnics, strong national identifiers are blind to ethnicity. Experimentally increasing national identity salience also eliminates the co-ethnic trust advantage among weak nationalists. These results offer micro-level evidence that a strong and salient national identity can diminish ethnic barriers to trust in diverse societies.

Hat tip goes to Ben Southwood.


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