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 analyze the growth effects over space arising from the adoption of new agricultural technology in a rural-urban setting. We use a dynamic model to study the impacts of technology and learning on the steady state growth rates of rural and urban regions that produce agricultural goods. New...