's most persistent pockets of joblessness. Could a more even spatial distribution of innovation reduce American joblessness …? Could Federal policies disperse innovation without significant costs? If research funding is already maximizing knowledge … production, then spatial reallocation of that funding will reduce America's overall innovation unless that reallocation comes …

This paper reviews recent academic work on the spatial concentration of entrepreneurship and innovation in the United … identify and discuss policies that are being pursued in the United States to encourage local entrepreneurship and innovation …