Understanding Community Dynamics in the Study of Grand Challenges: How Nonprofits, Institutional Actors, and the Community Fabric Interact to Influence Income Inequality

This paper provides a conceptual model that explains how competitive and institutional dynamics at the community level influence the ability of welfare-oriented nonprofits to eradicate income inequality. To test our framework, we build a large and unique seven-year panel dataset consisting of data from 245 U.S. communities. We find that increasing the number of welfare nonprofits is beneficial for reducing community inequality, but only up to a point, after which resource competition decreases their effectiveness. This competition for resources is also present when a high density of elite-oriented nonprofits operates in the same community. Hypotheses focused on the institutional dimension receive mixed support. As predicted, welfare nonprofits are more effective when they operate in communities with strong law enforcement capabilities and less effective in politically conservative local contexts. Contrary to our expectations, however, we find that welfare nonprofits are less effective in demographically h...