Neighborhood Design and Energy Efficient Lifestyle in China: Treating Residence and Mobility as Lifestyle Bundle
1. Neighborhood Design and the Energy
Efficiency of Urban Lifestyle in China:
Treating Residence and Mobility as Lifestyle Bundle
Yang Chen
07/27/2012
2. Introduction
Outline
• Introduction
• Theory
• Context and Methods
• Qualitative Analysis
• Vehicle Portfolio Choice
• Lifestyle Bundle Choice
• Energy Consumption
• Implications & Limitations
Theory
Context &
Methods
Interview
Vehicle
Portfolio
Lifestyle
Bundle
Energy
Consumption
Policy &
Conclusion
3. Introduction
Global Primary Energy Consumption
Theory
Context &
Methods
Interview
Vehicle
Portfolio
Lifestyle
Bundle
Energy
Consumption
Policy &
Conclusion
Data Source: BP Statistical Review of World Energy 2012
5. Introduction
China’s Net Energy Imports
Theory
Context &
Methods
Interview
Vehicle
Portfolio
Lifestyle
Bundle
Energy
Consumption
Policy &
Conclusion
Data Source: IEA (2010), "World Indicators", IEA World Energy Statistics and Balances (database)
Percentage of Net Energy Import in Total Energy Supply
9. Introduction
Theory
• Energy analysis
• Consumer behavior and location choice
• Form and travel
• Form and residential energy
• The concept of lifestyle
Theory
Context &
Methods
Interview
Vehicle
Portfolio
Lifestyle
Bundle
Energy
Consumption
Policy &
Conclusion
11. Introduction
Consumer Behavior, Location Choice
Theory
Context &
Methods
Interview
Vehicle
Portfolio
Lifestyle
Bundle
Energy
Consumption
Policy &
Conclusion
Distance to City Center
Bid Rent of Urban Land ($/acre)
City Center
12. Introduction
Form and Travel
Theory
Context &
Methods
Interview
Vehicle
Portfolio
Lifestyle
Bundle
Energy
Consumption
Policy &
Conclusion
Net Utility Curves of Difference Modes, adopted from Maat et al. (2005)
13. Introduction
Form and Residential Energy
Theory
Context &
Methods
Interview
Vehicle
Portfolio
Lifestyle
Bundle
Energy
Consumption
Policy &
Conclusion
Causal Paths between Urban Form and Residential Energy Consumption
Based on Ewing and Rong (2008)
Urban Form
-Density
-Accessibility
-Centrality
Housing Stock
-Size
-Type
Local Climate
(e.g. Temperature)
Residential Energy
Consumption
Housing Choice
Urban Heat IslandSolar/Wind
14. Introduction
Concept of Lifestyle
Theory
Context &
Methods
Interview
Vehicle
Portfolio
Lifestyle
Bundle
Energy
Consumption
Policy &
Conclusion
Demand
Behavior
Attitudes, Perceptions, Prefe
rences
Values
15. Household Characteristics
Neighborhood Design Indicators
Residential
Choice
Vehicle
Portfolio
Choice
In-home Energy Use
Travel Energy Use
Rent/ Own
Neighborhood
Unit Size
E-bikes
Motorcycles
Cars
Household Characteristics
Neighborhood Design Indicators
Residential
Choice
Vehicle
Portfolio
Choice
In-home Energy Use
Travel Energy Use
Rent/ Own
Neighborhood
Unit Size
E-bikes
Motorcycles
Cars
Household Characteristics
Neighborhood Design Indicators
Residential
Choice
Vehicle
Portfolio
Choice
In-home Energy Use
Travel Energy Use
Rent/ Own
Neighborhood
Unit Size
E-bikes
Motorcycles
Cars
Introduction Theory
Context &
Methods
Interview
Vehicle
Portfolio
Lifestyle
Bundle
Energy
Consumption
Policy &
Conclusion
Household Characteristics
Neighborhood Design Indicators
Residential
Choice
Vehicle
Portfolio
Choice
Trip Rate
Mode
Distance
Appliance
Ownership
In-home Energy Use
Travel Energy Use
Rent/ Own
Neighborhood
Unit Size
E-bikes
Motorcycles
Cars
Neighborhood Design Indicators
33. Introduction
Sample Comparison
Theory
Context &
Methods
Interview
Vehicle
Portfolio
Lifestyle
Bundle
Energy
Consumption
Policy &
Conclusion
Interview
Respondents
Household
Survey
Jinan Urban
Residents*
sample size (# of households) 35 4,161 1.1 million
household size 3.31** 3.03 3.08
household disposable income (yuan/year) 148,333 77,571 77,989
# of employed household members 1.57 1.66 1.49
# of car per household 0.67 0.36 0.23
unit size (m2) 96.6 88.4 90.6
percentage of single 3% 7% n.a.
percentage of couple 20% 21% n.a.
percentage of couple with kid 54% 44% n.a.
* data from Jinan Statistical Year Book 2011 for 2010 data, italic shows data for 2009
** there is an outlier with 11 household members in the family
41. Residential
Choice
In-home Energy Use
Travel Energy Use
Rent/ Own
Neighborhood
Unit Size
Introduction Theory
Context &
Methods
Interview
Vehicle
Portfolio
Lifestyle
Bundle
Energy
Consumption
Policy &
Conclusion
Household Characteristics
Neighborhood Design Indicators
Vehicle
Portfolio
Choice
E-bikes
Motorcycles
Cars
Residential
Choice
In-home Energy Use
Travel Energy Use
Rent/ Own
Neighborhood
Unit Size
57. Introduction Theory
Context &
Methods
Interview
Vehicle
Portfolio
Lifestyle
Bundle
Energy
Consumption
Policy &
Conclusion
Household Characteristics
Neighborhood Design Indicators
In-home Energy Use
Travel Energy Use
Lifestyle Bundle Choice
In-home Energy Use
Travel Energy Use
1. Small Unit
2. Medium Unit
3. Large Unit
0. No Vehicle
1. E-bikes Only
2. Motorcycles
3. Cars Only
4. Cars Plus Other
Lifestyle Bundle Choice
Residential Choice Vehicle Portfolio Choice
68. Introduction
Household Travel Energy Consumption
Theory
Context &
Methods
Interview
Vehicle
Portfolio
Lifestyle
Bundle
Energy
Consumption
Policy &
Conclusion
Notes: India 2005 data extracted from (Reddy and Balachandra, 2010), the rest data for international cities extracted from (Kenworthy,
2008). Per capita travel energy consumption is converted to household travel energy consumption assuming household size = 3.
72. Introduction Theory
Context &
Methods
Interview
Vehicle
Portfolio
Lifestyle
Bundle
Energy
Consumption
Policy &
Conclusion
Neighborhood
Design Indicators
Household
Attributes Xn
Travel Energy
In-home Energy
et
IV’s:
Lifestyle Bundle
(e.g. Plarge_car,
Pmedium_nocar)
Travel Attitude An
eh
Neighborhood
Design Indicators
and Household
Attributes only
influencing travel
Neighborhood Design
Indicators and
Household Attributes
only influencing
residential
73. Introduction Theory
Context &
Methods
Interview
Vehicle
Portfolio
Lifestyle
Bundle
Energy
Consumption
Policy &
Conclusion
Bundle Choice as IV’s
Alternative
ID
Lifestyle Bundle Choice
IV'sResidential Vehicle Portfolio
1 Small Unit No Motorized Vehicle
P(small unit without car)2 Small Unit Own E-bikes only
3 Small Unit Own Motorcycles (only or plus e-bikes)
4 Small Unit Own Cars only
P(small unit with car)
5 Small Unit Own Cars and Other Vehicles
6 Medium Unit No Motorized Vehicle
P(medium unit without car)7 Medium Unit Own E-bikes only
8 Medium Unit Own Motorcycles (only or plus e-bikes)
9 Medium Unit Own Cars only
P(medium unit with car)
10 Medium Unit Own Cars and Other Vehicles
11 Large Unit No Motorized Vehicle
P(large unit without car)
12 Large Unit Own E-bikes only
13 Large Unit Own Cars only
P(large unit with car)
14 Large Unit Own Cars and Other Vehicles
80. Introduction Theory
Context &
Methods
Interview
Vehicle
Portfolio
Lifestyle
Bundle
Energy
Consumption
Policy &
Conclusion
Variable E (In-home) E(Travel ) E(Total Energy)
Household Income 0.038 0.168 0.042
Provision of Designated Surface Parking (m2/hh) 0.046 0.214 0.051
Provision of Designated Underground Parking (space/hh) 0.004 0.002 0.003
F.A.R. 0 -1.027 -0.048
Average Building Footprint (m2) 0.483 1.326 0.529
Continuity of Street Facade -2.531 -6.206 -2.684
Average Distance between Neighborhood Entries (m2) -0.045 -0.213 -0.050
Building Function Mix 0 0.591 0.019
Surface-to-Volume Ratio 0.354 0 0.342
Building Wind Index (summer) -2.750 0 -2.627
Regional Accessibility (Public Space) -0.018 -0.071 -0.019
Regional Accessibility (Shopping) 0.011 0.036 0.011
Regional Accessibility (Office) -0.008 -0.084 -0.010
Percentage of Roads with Trees 0 0.037 0.001
Percentage of Roads with Street-level Shops 0.070 0.150 0.071
Percentage of Roads with Walking Facilities -0.093 -0.470 -0.103
Have Kid in the Family* 10.784 41.298 11.888
Have Senior People in the Family* 17.376 -36.071 14.760
Access to a Company/Business Car* 2.781 11.014 2.966
Renting* -32.892 -16.465 -31.905
81. Introduction
Implications and Limitations
• Summary of findings
• Lifestyle bundle
• Lifestyle group and decision-making mechanisms
• Neighborhood design influences both
Theory
Context &
Methods
Interview
Vehicle
Portfolio
Lifestyle
Bundle
Energy
Consumption
Policy &
Conclusion