AUTHOR=Griffith Daniel A. TITLE=Urban Economics: Geography and Spatial Dependence Matter to the Sustainability of Cities JOURNAL=Frontiers in Sustainable Cities VOLUME=3 YEAR=2021 URL=https://www.frontiersin.org/journals/sustainable-cities/articles/10.3389/frsc.2021.723561 DOI=10.3389/frsc.2021.723561 ISSN=2624-9634