Air quality alert programs are a form of “soft” or persuasion-based policy that is common in metropolitan areas that do not meet federal air quality standards in the United States. These programs disseminate daily air quality conditions, with ordinal ratings describing the health...

We have access to an unprecedented amount of fine-grained data on cities, transportation, economies, and societies, much of these data referenced in geo-space and time. There is a tremendous opportunity to discover new knowledge about spatial economies that can inform theory and modeling in...