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Dr. Paul M. Torrens, Center for Urban Science + Progress, New York University |
Residential mobility and neighborhood dynamics
Publications are here | Project overview | Eye candy | Support | Related groups | |
Project overview | |
The purpose of this project is to develop a model of residential mobility, built to simulate individual households, their perception and reaction to varying conditions across different scales of interaction, and their movements to occupy housing in a physical, social, and economic environment. The methodology underpinning the model is based on an automata core, leveraging the advantages it offers in terms of representing individual entities and their rule-based interactions. This methodology is extended, however, to incorporate geography-specific functionality, with advantages for modeling human systems. The applicability of the methodology is demonstrated through the development of a rich model of residential mobility, in which individual households interact with other households and real estate infrastructure, dynamically in space and time, to form synthetic communities and artificial property submarkets. Use of the model for what-if experimentation is demonstrated with synthetic economic and socio-demographic simulation scenarios. |
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The project builds on related work developing Geographic Automata Systems for reusable urban simulation, and work modeling gentrification dynamics. | |
Eye candy | |
The classic Schelling segreation model, run with (a) 8,000 households with 10% tolerance, (b) 8,000 households with 30% tolerance, (c) 8,000 households with 40% tolerance. (Agents are black or gray; free space is white. t denotes iterations of the simulation.) |
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Hierarchical treatment of entities (geographic automata) in the simulation |
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Relocating and settled agents organize their preferences by motivation and scale in the simulation |
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The GUI for the model during a simulation run. It's not that sophisticated in visualization terms, but it shows the rich level of detail in the model. |
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Support |
Torrens, P.M. (2000-2004) “Sprawlsim”. UK Economic and Social Research Council (Postgraduate Studentship) | |
Related groups | |
Environmental Simulation Laboratory, Tel Aviv University | |
Centre for Advanced Spatial Analysis (CASA), University College London | |
Center for Urban Simulation and Policy Analysis (Urbansim), University of Washington | |
Complex Systems Research Centre, Cranfield University |
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