The pursuit of sustainable development and smart growth is a main challenge today in countries around the world. Social capital is an asset of their territorial communities. It is also a precondition for national and local policies that aim to better the economic base and quality of life for all. This change is socially diffused, economically sustainable over time, and smart in its content. A significant stock of social capital facilitates such results because it links into the process of development planning institutional decision makers and socioeconomic stakeholders who share trust,...