The objective of this paper is to show how the same market failures that contribute to urban sprawl also contribute to urban blight. The paper develops a simple dynamic model in which new suburban and older central-city properties compete for mobile residents. The level of housing services...

"This book explores how to assess, characterize and design urban spaces using perceptual approaches. It gathered theory and case studies on methods for data collection and analysis of individual responses about the experience of urban environments and how knowledge can inform the planning and...

"This book explores the emerging values and visions guiding the rise of new platforms for digital activities, crowdsourcing, crowdfunding and others that are shaping new development tools in the developing world. It also highlights how the social sector organizations apply digital technologies...

"This book examines different ways with citizen engagement in the local policy process, with citizens as sensors, with new technological approaches to open digital mapping, and how these e-tools augment participatory planning processes. It also deals with different aspects of data generation and...

Cities can be thought of as the absence of physical space between people and firms. As such, they exist to eliminate transportation costs for goods, people and ideas and transportation technologies dictate urban form. In the 21st century, the dominant form of city living is based on the...