Spatial Input-Output Models: PECAS - WebHome - UrbanSim

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Paul Waddell, 2011Activity Allocation (AA) ModuleJoint Discrete UtilityAdditional utility associatedwith location l for activity aAdditional utility associatedwith production option pStochastic error termsQuantity of commodityproduced or consumedunder production option pUtility of exchanging andshipping one unit ofcommodity between l and eTuesday, May 24, 2011Source: Atlanta Regional Commission
Paul Waddell, 2011Space Development (SD) Module• Disaggregate process at the parcel level- Grid cells or parcels• Represent developers’ actions• Connection with AA- From AA: current year space price at LUZ level- To AA: quantity of the spaces for next year AA• Space is a commodity consumed by the activities in the AA model- Unlike other commodities, space cannot be transported- Different activities consume different types of space• e.g. in Atlanta there are 8 <strong>PECAS</strong> space types (A/D/S/M/O/R/L/H)• Rents are space prices• Zoning rules limit the type of space the can be developed on a parcelTuesday, May 24, 2011Source: Atlanta Regional Commission
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Page 10: Paul Waddell, 2011Example I-O Expen
Page 14: Paul Waddell, 2011Multiplier Effect
Page 19 and 20: Paul Waddell, 2011Economic Flows Ca
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Page 27 and 28: Paul Waddell, 2011Economic Interact
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Page 49 and 50: Paul Waddell, 2011Full PECAS System
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Page 54 and 55: Paul Waddell, 2011Sacramento Bluepr
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Page 58 and 59: Paul Waddell, 2011SACOG Equity Anal
Page 62 and 63: where such homes are typically loca
Page 66 and 67: Paul Waddell, 2011CalSIM• Califor
Page 68 and 69: Paul Waddell, 2011CalSIMConstrained
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Page 72 and 73: Paul Waddell, 2011CalSIMsource: Dev
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Paul Waddell, 2011CalSIMsource: Dev
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Paul Waddell, 20111. PECAS overview
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Paul Waddell, 2011Limitations of In
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Paul Waddell, 2011Limitations of PE
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