In general, they have found that those who are more willing to trust other people are likely to be equally trustworthy in that they are less likely to lie, cheat, or steal. They are also less likely to be unhappy or maladjusted, and are typically more liked by their friends and colleagues.

QUESTION: Does this correlation hold across cultures, or is trust willingness culturally conditioned?

Diego Gambetta, Trust - Making and Breaking…, loc. 525