In recent decades, policy across the country has privileged the biggest corporations. Yet a growing body of research is proving something that many people already know: small-scale, locally owned businesses create communities that are more prosperous, entrepreneurial, connected, and generally better off across a wide range of metrics. Here's a roundup of the important findings that are putting numbers to the harms of bigness and the benefits of local ownership, and that policymakers can use to craft better laws, business owners can use to rally support, and people can use to organize their communities.