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1 課程 10: URBAN STRUCTURE, RENT THEORY AND LOCATION.
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Transcript of 1 課程 10: URBAN STRUCTURE, RENT THEORY AND LOCATION.
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課程 10: URBAN STRUCTURE, RENT THEORY AND LOCATION
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Urban Structure and Dynamics
• Why Urban Structure?– Primary distinguishing attribute of real estate is
its fixed location– Physical and economic environment affects real
estate value– The key to successful real estate investment is
understanding urban growth patterns
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Urban Areas
• The Need for Urban Areas– Savings in costs of social interaction– Internal economies of scale– External economies of scale– Labor specialization– Consumer choice
• Note: Urbanization has its cost
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Urban Growth Models• Concentric Circle theory: Ernest Burgess
– Explains urban growth in terms of distance from 市中心– Proposition: economic activities that need access to 市中心– will outbid other uses
– Five concentric circles
– 市中心 : most intensively used, offices, retail, govt.
• Transition Zone: low income units, night clubs, manufacturing, slums
• Zone of worker homes: multifamily units
• Zone of middle and high income families
• Commuter zones: suburbs
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Urban Growth Models
• Direction of Least Resistance: Richard Hurd– Direct take-off of concentric model– Key twist: transportation arteries– Commuting time from 市中心 matters not distance fr
om 市中心
– Also has five zones but not concentric – Developments follow transportation corridors– Some natural FEATURES act as barriers to growth
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Urban Growth Models• Sector Theory: Homer Hoyt
– Explains how residential concentrations develop around 市中心
– Income, cultural factors, tastes and preferences influence where people locate
– Rise of ethnic neighborhoods– In this model low income households locate ne
ar 市中心
• Filtering Concept or Trickle Down Theory
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Urban Growth Models
• Multiple Nuclei Theory: Harris and Ullman– Preceding three models assume one 市中心
– This model assumes neighborhood clusters create mini 市中心 in addition to major 市中心
– Mini 市中心 caused 市中心 to lose its position as the sole focal point with urban area
• The argument or explanation for urban growth has come full circle
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Rent Theory• Principles of Rent Theory:
– Rent is payment to real estate
– Land use activities locate according to comparative advantage
– Rent paying ability determines where land use locate
– Hierarchy of land uses develops according to level of rents or prices
– First choice: office buildings, retail, apartments – Land use activities concentrate at 市中心 with gradual d
ecline in intensity and value away from 市中心
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Model of Land Value or Rent• Urban land values (rent) and its tendency to declin
e as one moves away from 市中心 can be explained in terms of savings in transportation cost
• Assumptions of model• City on a featureless plain• production and distribution at 市中心
• Homogeneous family• Families live around 市中心
• Cost of building and maintenance is constant
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Rent Theory
• Proposition:– Total housing cost = building cost + maintenance cost
+ site rent
• Site rent = rent paid for a site less what it will command in an agricultural use– Question: What is the opportunity cost of urban
site?– Site rent component is what causes land values
to vary with location
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Site Rent
Transportation Cost
A
F
B
O D
Housing Costexcluding site rent
EDistance
Annualtransport.cost atcity’s edge
Site Rent for Residential uses
CBD
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Rent Theory
• Site Rent Analysis using diagram– Proposition: Site Rent at any point on urban
landscape is equal to transportation at the edge of city less transportation cost at that point
• At E site rent = AB - AB = 0
• At O site rent = AB - 0 = AB
• At D site rent = AB - AF = BF
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A F
B DDistance
E
bid rent curve for households for sites
Annualsite rent A - E = Intensive
margin
extensivemargin
INTENSIVE AND EXTENSIVE MARGINS
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LOCATION ANALYSIS
LOCATION, LOCATION, LOCATION
The three most important factors in real estate analysis
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Meaning of Location
• Location: most important factor affecting real estate productivity and therefore value
• Approaches to location analysis– Transportation cost: weight gaining R.M. Haig– Accessibility/convenience: R. Ratcliff– Total Environment: R. Andrews
• Total environment in which a specific land use on a specific land parcel functions and interacts at a specific time
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Factors in Location Analysis
• Points to consider – Nature of relationship between the site and othe
r points on land scape– Convenience/inconvenience of moving from sit
e to other places– Possibility of unpleasant experience– Possibility of pleasant experience
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CONCEPTS OF LOCATIONS• Establishment:
– basic unit of land use: retail store, house ,church, apartment etc
• Packet of Function:– a land use serves a variety of functions
– Trace the packet of functions for a house
• Linkages:– relationships lead to movement and/or communication
• Cost of friction: time, stress and $ involved in communication or movement
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TYPES OF LINKAGES
• Linked establishments locate near each other
• Types of linkages or relationships– Dominant use-ancillary use– Dominant use-subordinate use– Co-dominant uses & dominat use-satellite use
• Anchor tenants and sandwiched tenants
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Land uses locate in clusters: Why?• Agglomeration economics: tendency of land
uses to locate in clusters for mutual benefit
• External Economies: benefits from locating in clusters
• Localization economies - firms belonging to same industry
• Urbanization economies - firms belonging to different industries
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Detailed Factors in location analysis• Transportation system: streets, sidewalks,
bike lanes, mass transit, rail lines etc
• Utility systems: electricity, gas, cable, water, sewer, phone, cable TV
• Information technology: what ?
• Municipal services: police protection, fire protection, refuse collection, school system
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Linkages/Location is Dynamic
• Changes in location needs– Changes in linked establishments: effects of TV and c
able TV– Changes in non-linked establishments: erection of lar
ge office building near subdivision– Changes in movement channels– Changes in nature of enterprise: family life cycle– Changes in technology: separability of functions, red
uce demand for office space
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Fixed Location and Real Estate Market Characteristics • Localized markets
• Heterogeneous product
• Diffused market
• Supply lag and demand lag
• Short selling is not possible: not fungible
• Private transaction
• Question: Are real estate markets efficient?
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Supply and Demand Factors• Population: age, sex, family composition, hshld size• Income: per capita , aggregate, distribution• Employment/unemployment• Availability of mortgage and interest rate• Personal savings• Rent, vacancy levels and absorption rates• Real estate taxation• Construction technology• Cost of inputs