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Papers by Kenneth A Small

Research paper thumbnail of Choice Models of Route, Occupancy, and Time of Day with Value-Priced Tolls

Transportation Research Record Journal of the Transportation Research Board, Feb 2, 2015

Page 1. Choice models were developed on the basis of data from surveys of com-muters on Californi... more Page 1. Choice models were developed on the basis of data from surveys of com-muters on California State Route (SR) 91, the nation's first operational value-priced toll facility, in 1999. The models represent route choice among ...

Research paper thumbnail of On the Costs of Air Pollution From Motor Vehicles

University of California Transportation Center, 1995

Page 1. On the Costs of Air Pollution from Motor Vehicles By Kenneth A. Small and Camilla Kazimi*... more Page 1. On the Costs of Air Pollution from Motor Vehicles By Kenneth A. Small and Camilla Kazimi* 1. Introduction Air pollution is frequently the stated reason for special measures aimed at controlling motor vehicles. In the ...

Research paper thumbnail of The Demand for Transportation: Models and Applications

Research paper thumbnail of Optimal Highway Durability

American Economic Review, Feb 1, 1988

... billion annually,' have generated interest in new tax instruments, pavement management s... more ... billion annually,' have generated interest in new tax instruments, pavement management strategies, and rehabilitation ... However, such a fine-tuned maintenance strategy is difficult to achieve in practice, and ... To find optimal durability D*, we numeri-cally minimize [M(Q, W, D) + K ...

Research paper thumbnail of Uncovering the Distribution of Motorists' Preferences for Travel Time and Reliability: Implications for Road Pricing

University of California Transportation Center, Aug 1, 2002

Recent econometric advances have made it possible to identify empirically the varied nature of co... more Recent econometric advances have made it possible to identify empirically the varied nature of consumers' preferences. We apply these advances to study commuters' preferences for speedy and reliable highway travel, with the objective of exploring the efficiency and distributional ...

Research paper thumbnail of Differentiated Road Pricing, Express Lanes and Carpools: Exploiting Heterogeneous Preferences in Policy Design

Research paper thumbnail of Differentiated Road Pricing, Express Lanes and Carpools: Exploiting Heterogeneous Preferences in Policy Design

SSRN Electronic Journal, 2000

In order to promote public understanding of the impact of regulations on consumers, business, and... more In order to promote public understanding of the impact of regulations on consumers, business, and government, the American Enterprise Institute and the Brookings Institution established the AEI-Brookings Joint Center for Regulatory Studies. The Joint Center's primary purpose is to hold lawmakers and regulators more accountable by providing thoughtful, objective analysis of relevant laws and regulations. Over the past three decades, AEI and Brookings have generated an impressive body of research on regulation. The Joint Center builds on this solid foundation, evaluating the economic impact of laws and regulations and offering constructive suggestions for reforms to enhance productivity and welfare. The views expressed in Joint Center publications are those of the authors and do not necessarily reflect the views of the Joint Center.

Research paper thumbnail of The rebound effect for automobile travel: Asymmetric response to price changes and novel features of the 2000s

Research paper thumbnail of On the Average Costs of Automobile Transportation in the San Francisco Bay Area

Research paper thumbnail of Choice Models of Route, Occupancy, and Time of Day with Value-Priced Tolls

Transportation Research Record, 2002

Page 1. Choice models were developed on the basis of data from surveys of com-muters on Californi... more Page 1. Choice models were developed on the basis of data from surveys of com-muters on California State Route (SR) 91, the nation's first operational value-priced toll facility, in 1999. The models represent route choice among ...

Research paper thumbnail of Induced demand and rebound effects in road transport

Transportation Research Part B: Methodological, 2010

JEL classification: H54 L91 Q49 R41

Research paper thumbnail of Uncovering the Distribution of Motorists' Preferences for Travel Time and Reliability

Econometrica, 2005

We apply recent econometric advances to study the distribution of commuters' preferences for spee... more We apply recent econometric advances to study the distribution of commuters' preferences for speedy and reliable highway travel. Our analysis applies mixed logit to combined revealed and stated preference data on commuter choices of whether to pay a toll for congestion-free express travel. We find that motorists exhibit high values of travel time and reliability and substantial heterogeneity in those values. We suggest that road pricing policies designed to cater to such varying preferences can improve efficiency and reduce the disparity of welfare impacts compared with recent pricing experiments.

Research paper thumbnail of Supplement to “Uncovering the Distribution of Motorists’Preferences for Travel Time and Reliability”

EIGHT HYPOTHETICAL COMMUTING SCENARIOS were constructed for respondents who travel on SR91. Respo... more EIGHT HYPOTHETICAL COMMUTING SCENARIOS were constructed for respondents who travel on SR91. Respondents who indicated that their actual commute was less (more) than 45 minutes were given scenarios that involved trips ranging from 20-40 (50-70) minutes. An illustrative scenario follows:

Research paper thumbnail of Valuation of travel-time savings and predictability in congested conditions for highway user-cost estimation

... In order to create the database for model-ing overall travel time and travel time reliability... more ... In order to create the database for model-ing overall travel time and travel time reliability, a two-step stated preference survey process was developed and conducted. ... However, the basic result remains the same: travelers place a value on travel-time reliability. ...

Research paper thumbnail of Spatial Hedonics and the Willingness to Pay for Residential Amenities

ABSTRACT Housing rents may be influenced by characteristics of nearby properties, an effect captu... more ABSTRACT Housing rents may be influenced by characteristics of nearby properties, an effect captured by spatial autoregression in a hedonic rent equation. We investigate the implications of spatial autoregression for measuring the marginal welfare effects due to a change in a residential amenity such as air quality. We show that if spatial price interdependence arises from technological spillovers, such that utility depends directly on neighboring property values, then the welfare change is given by the reduced form of the autoregressive model, effectively applying a "spatial multiplier" to the relevant implicit price. If instead spatial interdependence arises from merely pecuniary spillovers, as is commonly supposed in motivating spatial autoregression, then no spatial multiplier on implicit prices is called for in computing welfare; but it is then especially important to use the autoregressive model to measure those implicit prices.

Research paper thumbnail of Product differentiation on roads: constrained congestion pricing with heterogeneos users

Research paper thumbnail of ACCESS Magazine Fall 2012

Access Magazine, Oct 1, 2012

Research paper thumbnail of Product Differentiation on Roads

Journal of Transport Economics and Policy, 2004

Research paper thumbnail of Hypercongestion in downtown metropolis

Research paper thumbnail of Second-Best Congestion Pricing with Heterogeneity under Public and Private Ownership

We explore the properties of various types of public and private pricing on a congested road netw... more We explore the properties of various types of public and private pricing on a congested road network with heterogeneous users and allowing for elastic demand. Heterogeneity is represented by a continuum of values of time. The network consists of both serial and parallel links, which allows us to model second-best pricing restrictions on either complementary or substitute links, while still

Research paper thumbnail of Choice Models of Route, Occupancy, and Time of Day with Value-Priced Tolls

Transportation Research Record Journal of the Transportation Research Board, Feb 2, 2015

Page 1. Choice models were developed on the basis of data from surveys of com-muters on Californi... more Page 1. Choice models were developed on the basis of data from surveys of com-muters on California State Route (SR) 91, the nation's first operational value-priced toll facility, in 1999. The models represent route choice among ...

Research paper thumbnail of On the Costs of Air Pollution From Motor Vehicles

University of California Transportation Center, 1995

Page 1. On the Costs of Air Pollution from Motor Vehicles By Kenneth A. Small and Camilla Kazimi*... more Page 1. On the Costs of Air Pollution from Motor Vehicles By Kenneth A. Small and Camilla Kazimi* 1. Introduction Air pollution is frequently the stated reason for special measures aimed at controlling motor vehicles. In the ...

Research paper thumbnail of The Demand for Transportation: Models and Applications

Research paper thumbnail of Optimal Highway Durability

American Economic Review, Feb 1, 1988

... billion annually,' have generated interest in new tax instruments, pavement management s... more ... billion annually,' have generated interest in new tax instruments, pavement management strategies, and rehabilitation ... However, such a fine-tuned maintenance strategy is difficult to achieve in practice, and ... To find optimal durability D*, we numeri-cally minimize [M(Q, W, D) + K ...

Research paper thumbnail of Uncovering the Distribution of Motorists' Preferences for Travel Time and Reliability: Implications for Road Pricing

University of California Transportation Center, Aug 1, 2002

Recent econometric advances have made it possible to identify empirically the varied nature of co... more Recent econometric advances have made it possible to identify empirically the varied nature of consumers' preferences. We apply these advances to study commuters' preferences for speedy and reliable highway travel, with the objective of exploring the efficiency and distributional ...

Research paper thumbnail of Differentiated Road Pricing, Express Lanes and Carpools: Exploiting Heterogeneous Preferences in Policy Design

Research paper thumbnail of Differentiated Road Pricing, Express Lanes and Carpools: Exploiting Heterogeneous Preferences in Policy Design

SSRN Electronic Journal, 2000

In order to promote public understanding of the impact of regulations on consumers, business, and... more In order to promote public understanding of the impact of regulations on consumers, business, and government, the American Enterprise Institute and the Brookings Institution established the AEI-Brookings Joint Center for Regulatory Studies. The Joint Center's primary purpose is to hold lawmakers and regulators more accountable by providing thoughtful, objective analysis of relevant laws and regulations. Over the past three decades, AEI and Brookings have generated an impressive body of research on regulation. The Joint Center builds on this solid foundation, evaluating the economic impact of laws and regulations and offering constructive suggestions for reforms to enhance productivity and welfare. The views expressed in Joint Center publications are those of the authors and do not necessarily reflect the views of the Joint Center.

Research paper thumbnail of The rebound effect for automobile travel: Asymmetric response to price changes and novel features of the 2000s

Research paper thumbnail of On the Average Costs of Automobile Transportation in the San Francisco Bay Area

Research paper thumbnail of Choice Models of Route, Occupancy, and Time of Day with Value-Priced Tolls

Transportation Research Record, 2002

Page 1. Choice models were developed on the basis of data from surveys of com-muters on Californi... more Page 1. Choice models were developed on the basis of data from surveys of com-muters on California State Route (SR) 91, the nation's first operational value-priced toll facility, in 1999. The models represent route choice among ...

Research paper thumbnail of Induced demand and rebound effects in road transport

Transportation Research Part B: Methodological, 2010

JEL classification: H54 L91 Q49 R41

Research paper thumbnail of Uncovering the Distribution of Motorists' Preferences for Travel Time and Reliability

Econometrica, 2005

We apply recent econometric advances to study the distribution of commuters' preferences for spee... more We apply recent econometric advances to study the distribution of commuters' preferences for speedy and reliable highway travel. Our analysis applies mixed logit to combined revealed and stated preference data on commuter choices of whether to pay a toll for congestion-free express travel. We find that motorists exhibit high values of travel time and reliability and substantial heterogeneity in those values. We suggest that road pricing policies designed to cater to such varying preferences can improve efficiency and reduce the disparity of welfare impacts compared with recent pricing experiments.

Research paper thumbnail of Supplement to “Uncovering the Distribution of Motorists’Preferences for Travel Time and Reliability”

EIGHT HYPOTHETICAL COMMUTING SCENARIOS were constructed for respondents who travel on SR91. Respo... more EIGHT HYPOTHETICAL COMMUTING SCENARIOS were constructed for respondents who travel on SR91. Respondents who indicated that their actual commute was less (more) than 45 minutes were given scenarios that involved trips ranging from 20-40 (50-70) minutes. An illustrative scenario follows:

Research paper thumbnail of Valuation of travel-time savings and predictability in congested conditions for highway user-cost estimation

... In order to create the database for model-ing overall travel time and travel time reliability... more ... In order to create the database for model-ing overall travel time and travel time reliability, a two-step stated preference survey process was developed and conducted. ... However, the basic result remains the same: travelers place a value on travel-time reliability. ...

Research paper thumbnail of Spatial Hedonics and the Willingness to Pay for Residential Amenities

ABSTRACT Housing rents may be influenced by characteristics of nearby properties, an effect captu... more ABSTRACT Housing rents may be influenced by characteristics of nearby properties, an effect captured by spatial autoregression in a hedonic rent equation. We investigate the implications of spatial autoregression for measuring the marginal welfare effects due to a change in a residential amenity such as air quality. We show that if spatial price interdependence arises from technological spillovers, such that utility depends directly on neighboring property values, then the welfare change is given by the reduced form of the autoregressive model, effectively applying a "spatial multiplier" to the relevant implicit price. If instead spatial interdependence arises from merely pecuniary spillovers, as is commonly supposed in motivating spatial autoregression, then no spatial multiplier on implicit prices is called for in computing welfare; but it is then especially important to use the autoregressive model to measure those implicit prices.

Research paper thumbnail of Product differentiation on roads: constrained congestion pricing with heterogeneos users

Research paper thumbnail of ACCESS Magazine Fall 2012

Access Magazine, Oct 1, 2012

Research paper thumbnail of Product Differentiation on Roads

Journal of Transport Economics and Policy, 2004

Research paper thumbnail of Hypercongestion in downtown metropolis

Research paper thumbnail of Second-Best Congestion Pricing with Heterogeneity under Public and Private Ownership

We explore the properties of various types of public and private pricing on a congested road netw... more We explore the properties of various types of public and private pricing on a congested road network with heterogeneous users and allowing for elastic demand. Heterogeneity is represented by a continuum of values of time. The network consists of both serial and parallel links, which allows us to model second-best pricing restrictions on either complementary or substitute links, while still