Andy Isserman left a lasting impact on the fields of Regional Science and Planning. This special issue is dedicated to his memory. In addition to summarizing its contents, in this article I also reflect on Andy’s particular view of Regional Science as a field, expressed in many of his...

Higher nominal wages in urban areas are well-documented phenomena which imply higher productivity of urban workers. Yankow and Wheeler show that these gains come through a variety of sources including static agglomeration economies and dynamic learning and matching efficiencies in cities. Yet,...