We use a theoretical political-economy model with three cities and analyze three questions. First, should police in these cities have access to contentious crime fighting technologies such as facial recognition software? We describe a condition involving benefit, cost, and spatial spillover...

We focus on the interaction between a representative polluting tannery and a negatively impacted small farmer in Kanpur, India. The tannery produces leather and toxic chemical waste that ends up in wastewater used by the small farmer to irrigate agricultural land and grow vegetables. The waste...

This discussion paper resulted in an article in the <I>Annals of Regional Science</I> (2012). Volume 48, issue 2(SI), pages 501-527.<P> This paper addresses the performance of creative firms from the perspective of complex spatial systems. Based on an extensive high-dimensional database on both the...</p></i>