Fuzzy Analysis of Relationship between Social Trust and Human Development

This paper wants to study the relationship between social trust and human capital. Social trust is a necessary condition for human development. Fuzzy method is used. Findings of this study showed that in %68 of the countries، social capital is a necessary condition for human development and coverage index showes that 63% of human capital space is covering by social trust. It also was cleared that the degree of membership in social trust set is associated with a degree of membership in a set of human capital; so، the more the degree of membership in the set of countries with high social trust، the more degree of membership in the set of countries with high human capital.