OD matrix and Road Network Distance Instead of creating a network distance buffer and performing iterations, a one step solution is performed by adopting an origin destination matrix approach. Network Distance Buffer Area Network Distance Random Points AHI Housing Units Employment The 5000 random points are evaluated across the county for walking, biking and driving coverage LI Demand is defined as the number of low income households derived from parcel level employment within a specific driving distance/time surrounding a random point. VLI Demand is defined as the number of very low income households derived from parcel level employment within a specific driving distance/time surrounding a random point. Inverse Distance Weighting (IDW) interpolation to create demand and supply surfaces for the whole countyĬapturing Supply and Demand within Specific Distance Thresholds AHI Supply for a random location is defined as the number of AHI units within a specific driving distance/time surrounding the random point.Supply and demand are estimated around each random point using a neighborhood size defined by a certain driving distance/time.Random points are generated across the county (5000 pts).Scale of Analysis and Neighborhood Size.Therefore, this research focuses on the spatial distribution of the AHI properties and their relationship to low income employment locations.This research studies the local housing supply and demand values in Orange County, FL and evaluate them with respect to the overall county values.
However, statistics by Shimberg Center shows that 92% AHI units are occupied by households of <60 AMI and the target population can exceed to reach 80% AMI (Ray et al, 2009) Affordable housing can also include affordable mortgages, rents and other assistance programs such as housing choice vouchers Ruoniu Wang Presenter’s Email Address: Shimberg Center for Housing Studies - University of FloridaĪssisted Housing Supply and Demand County Level Figures – Orange County, FL If the target population is VLI, the AHI Supply will almost cover the demand for the county. Allocation and Preservation of Affordable Housing: A Spatially Discriminated Supply‐Demand Analysis Based on Parcel Level Employment Assignment Abdulnaser A.
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