Spatial interaction (SI) is the process whereby entities at different points in physical space make contacts, demand/supply decisions or locational choices. The entities can be individuals or firms and the choices can include housing, jobs, production quantities, exports, imports, face-to-face...

It has been argued that internal and external contextualizations are important aspects of research intended to be relevant, valuable, and engaged in societal progress. In this article, we advocate for scholarship focus on the city and the region as a means to achieve this goal. The notion of...