When the Field Is Not Enough: Using Complementary Field and Lab Experiments to Investigate Congestion Pricing Responses

Steffen Andersen, Vinayak K. Dixit, Jimmy Martínez-Correa, Elisabet E. Rutström

Research output: Working paperResearchpeer-review

Abstract

We use data from a field experiment collecting route choices using GPS recorders and a lab experiment eliciting risk attitude characteristics of drivers. We find that drivers behave in predicted ways in response to variations in average travel times, and in response to manipulations of route pricing. Demand functions are downward sloping in tolls and in travel times. We do not find that drivers respond to variations in the unreliability of travel times, but this is not due to their risk attitudes. Almost all drivers are risk averse, and express a revealed preference in favor of the relatively safe route that is increasing in risk aversion. Because the alternate routes are located at some distance apart, we suspect that the lack of response to travel time unreliability is to be found in biases in drivers expectations of unreliability.
We use data from a field experiment collecting route choices using GPS recorders and a lab experiment eliciting risk attitude characteristics of drivers. We find that drivers behave in predicted ways in response to variations in average travel times, and in response to manipulations of route pricing. Demand functions are downward sloping in tolls and in travel times. We do not find that drivers respond to variations in the unreliability of travel times, but this is not due to their risk attitudes. Almost all drivers are risk averse, and express a revealed preference in favor of the relatively safe route that is increasing in risk aversion. Because the alternate routes are located at some distance apart, we suspect that the lack of response to travel time unreliability is to be found in biases in drivers expectations of unreliability.
LanguageEnglish
Place of PublicationAtlanta, GA
PublisherCEAR, Georgia State University
Number of pages27
StatePublished - Mar 2014
SeriesDean's Behavioral Economics Laboratory Working Paper Series
Number1401

Cite this

Andersen, S., Dixit, V. K., Martínez-Correa, J., & Rutström, E. E. (2014). When the Field Is Not Enough: Using Complementary Field and Lab Experiments to Investigate Congestion Pricing Responses. Atlanta, GA: CEAR, Georgia State University. Dean's Behavioral Economics Laboratory Working Paper Series, No. 1401
Andersen, Steffen ; Dixit, Vinayak K. ; Martínez-Correa, Jimmy ; Rutström, Elisabet E./ When the Field Is Not Enough : Using Complementary Field and Lab Experiments to Investigate Congestion Pricing Responses. Atlanta, GA : CEAR, Georgia State University, 2014. (Dean's Behavioral Economics Laboratory Working Paper Series; No. 1401).
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When the Field Is Not Enough : Using Complementary Field and Lab Experiments to Investigate Congestion Pricing Responses. / Andersen, Steffen; Dixit, Vinayak K.; Martínez-Correa, Jimmy; Rutström, Elisabet E.

Atlanta, GA : CEAR, Georgia State University, 2014.

Research output: Working paperResearchpeer-review

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