Effective with Volume 78, the Theory to Practice feature has been discontinued. Barry M. Rubin is professor emeritus in the School of Public and Environmental Affairs at Indiana University Bloomington. His research focuses on urban and regional economic development and impact analysis, state-level energy and climate-change policy analysis, econometric modeling and simulation of complex systems, public sector and business analytics, and strategic planning and management.Abstract: Proponents of social capital theory have long argued not only that it is in the best interest of civic life to build social capital but also that social capital is vital for the economic health of communities. This has been confirmed by recent research showing that social capital, especially in its bridging form, is positively associated with job creation at the metropolitan statistical area level. At the same time, social capital is often viewed as something either inherent or absent within a community. This article takes on that assumption by presenting a policy-based approach to developing social capital. It provides two theoretical explanations for how social capital affects economic development and identifies four lessons for economic development practitioners to use to enhance social capital. These research-based recommendations for economic development practitioners and policy makers seek to improve the social capital and, consequently, the economic development of their community.