The Impact of Demographics, Built Environment Attributes, Vehicle Characteristics, and Gasoline Prices on Household Vehicle Holdings and Use Chandra R. Bhat


Table 2 (continued). MDCEV Model Results – Parameters (and t-statistic)



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Table 2 (continued). MDCEV Model Results – Parameters (and t-statistic)





Old Station

Wagon

New SUV

Old SUV

New

Pickup Truck

Old

Pickup Truck

New Minivan

Old Minivan

New Van



Old Van

Non-

Mot. Transp.

Household Demographics































Annual household income dummy variables































Medium annual income (35K-90K)


0.159

(1.96)


0.662

(2.63)


-

-

0.223

(3.79)


-

0.223

(3.79)


-

-0.633

(-2.24)


-

High annual income (>90K)


-0.378

(-6.03)


0.663

(2.56)


-0.378

(-6.03)


-0.438

(-5.60)


-0.378

(-6.03)


-

-0.378

(-6.03)


-

-1.452

(-4.13)


-0.378

(-6.03)


Presence of children in the household
































Presence of children < = 4 yrs


-

0.392

(5.04)


0.334

(4.68)


-

-

0.392

(5.04)


-

-

-0.924

(-2.24)


-

Presence of children b/w 5 and 15 yrs


-

-

-

-

-

0.809

(6.93)


0.656

(5.17)


-

-

-

Presence of children 16 and 17 yrs


-

-

-

-

-

-

-

-

-0.618

(-1.53)


-

Presence of senior adults (> 65 years) in

the household



0.423

(6.09)


-

-

-

-

-

-

-

0.574

(9.18)


0.574

(9.18)


Household size


0.139

(7.33)


0.074

(2.84)


0.139

(7.33)


-

0.139

(7.33)


0.494

(13.29)


0.563

(12.87)


0.494

(13.29)


0.563

(12.87)


0.494

(13.29)


Number of employed individuals in the

household



-

-

-

0.161

(4.43)


-

-0.419

(-8.89)


-0.193

(-4.36)


-

-

-0.419

(-8.89)




Table 2 (continued). MDCEV Model Results – Parameters (and t-statistic)





Old Coupe

New

Sub Compact Sedan

Old

Sub Compact Sedan

New Compact Sedan

Old

Compact Sedan

New Mid-size Sedan

Old Mid-size Sedan

New Large Sedan


Old Large Sedan

New Station

Wagon

Household Location Attributes































Zonal dummy variables (urban is base)































Suburban


-

-

-0.257

(-4.68)


-

-0.257

(-4.68)


-

-

0.281

(2.45)


-

-

Rural


-

-

-

-

-

-

-

-

-

-0.678

(-1.72)


Employment Density


-

-

-

-

-

-

-

-

-

-

Built Environment Characteristics of the Residential Neighborhood































Land Use Structure Variables































Residential Acres within 1 mile radius


-

-

-

-

-

-

-

-

-

-

Commercial / Industrial Acres within 1 mile radius



-

-

-

-

-

-0.268

(-2.73)


-0.268

(-2.73)


-

-

-0.268

(-2.73)


Number of Households in Multi-family Dwelling Units within 1 mile radius (in 10,000’s)

-

-

-

-

-

-

-

-0.464

(-4.43)


-0.464

(-4.43)


-


Local Transportation Network Measures































Bike Lane Density (Total miles of bikeway within 0.25 mile radius)

-

-

-

-

-

-

-

-

-

-

Street Block Density (Number of Street Blocks within 1 mile radius)

-

0.678

(3.95)


0.998

(3.99)


0.678

(3.95)


0.998

(3.99)


-

-

-

-

0.678

(3.95)




Table 2 (continued). MDCEV Model Results – Parameters (and t-statistic)





Old Station

Wagon

New SUV

Old SUV

New

Pickup Truck

Old

Pickup Truck

New Minivan

Old Minivan

New Van



Old Van

Non-

Mot. Transp.

Household Location Attributes































Zonal dummy variables (urban is base)































Suburban


-0.257

(-4.68)


-

-

0.281

(2.45)


0.166

(2.01)


-

-

-

-

0.166

(2.01)


Rural


-

-

-

0.349

(1.77)


0.232

(1.59)


-

-

-

-

-

Employment Density


-

-

-

-0.003

(-2.39)


-

-

-

-

-

-

Built Environment Characteristics of the Residential Neighborhood































Land Use Structure Variables































Residential Acres within 1 mile radius


-

-

-

-0.408

(-6.79)


-0.408

(-6.79)


-

-

-0.364

(-2.09)


-0.364

(-2.09)


-

Commercial / Industrial Acres within 1 mile radius



-0.268

(-2.73)


-0.332

(-3.29)


-0.332

(-3.29)


-0.332

(-3.29)


-0.332

(-3.29)


-0.332

(-3.29)


-0.332

(-3.29)


-

-

-

Number of Households in Multi-family Dwelling Units within 1 mile radius (in 10,000’s)

-

-

-

-

-

-

-

-

-

-


Local Transportation Network Measures































Bike Lane Density (Total miles of bikeway within 0.25 mile radius)

-

-

-

-

-

-

-

-

-

1.559

(3.27)


Street Block Density (Number of Street Blocks within 1 mile radius)

0.998

(3.99)


-

-

-

-

-

-

-

-

-


Table 2 (continued). MDCEV Model Results – Parameters (and t-statistic)





Old Coupe

New

Sub Compact Sedan

Old

Sub Compact Sedan

New Compact Sedan

Old

Compact Sedan

New Mid-size Sedan

Old Mid-size Sedan

New Large Sedan


Old Large Sedan

New Station

Wagon

Household Head Characteristics































Age (age < = 30 yrs is base)































Age between 31 and 45 yrs


-

-0.586

(-5.99)


-

-0.586

(-5.99)


-

-

0.211

(3.32)


-

-

-0.586

(-5.99)


Age greater than 45 yrs of age


0.245

(4.48)


-1.031

(-7.22)


-

-0.602

(-5.86)


-

-

0.644

(8.70)


0.909

(6.19)


0.644

(8.70)


-0.602

(-5.86)


Male


0.288

(4.88)


-0.267

(-3.76)


-

-0.271

(-3.81)


-

-

-

0.445

(6.08)


-

-

Ethnicity (Caucasian is base)































African-American


-

-

-

-

-

-

-

-

0.807

(3.05)


-

Hispanic


-

-

-

-

-

-

-

-

0.545

(2.21)


-

Asian


-

0.641

(7.69)


0.462

(5.49)


0.641

(7.69)


0.462

(5.49)


0.641

(7.69)


0.462

(5.49)


-

-

-0.989

(-4.33)


Other


-

0.414

(2.39)


0.354

(2.83)


-

-

-

-

-

0.354

(2.83)


-

Baseline Preference Constants

0.368

(2.88)


0.508

(2.82)


0.528

(3.90)


0.945

(6.28)


0.747

(5.57)


0.800

(6.62)


0.356

(2.51)


-1.958

(-8.04)


-0.435

(-2.55)


0.445

(2.22)




Table 2 (continued). MDCEV Model Results – Parameters (and t-statistic)





Old Station

Wagon

New SUV

Old SUV

New

Pickup Truck

Old

Pickup Truck

New Minivan

Old Minivan

New Van



Old Van

Non-

Mot. Transp.

Household Head Characteristics































Age (age < = 30 yrs is base)































Age between 31 and 45 yrs


-

-

-

-

0.211

(3.32)


0.628

(3.73)


0.211

(1.79)


-

0.211

(1.79)


0.211

(3.32)


Age greater than 45 yrs of age


0.245

(4.48)


-

-

-

0.245

(4.48)


0.909

(6.19)


0.644

(8.70)


-

0.644

(8.70)


0.644

(8.70)


Male


-

-

0.288

(4.88)


0.445

(6.08)


0.489

(7.00)


0.445

(6.08)


-

-

0.489

(7.00)


-

Ethnicity (Caucasian is base)































African-American


-

-

-0.619

(-1.80)


-0.679

(-1.77)


-

-

-

-

-

-

Hispanic


-

-

-

-

-

-

-

-

-1.777

(-1.63)


-

Asian


-

-

-

-0.989

(-4.33)


-0.597

(-3.81)


0.641

(7.69)


-

-

-0.597

(-3.81)


-

Other


0.354

(2.83)


-

-

-

-

0.414

(2.39)


-

1.082

(1.99)


-

-

Baseline Preference Constants

0.043

(0.27)


0.104

(0.35)


1.539

(4.94)


0.536

(2.83)


0.763

(4.23)


-0.962

(-2.89)


-0.627

(-1.96)


-2.284

(-5.79)


-1.225

(-2.91)


1.431

(1.96)



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