- “Tradeoffs between Time Allocations to Maintenance Activities/Travel and Discretionary Activities/Travel”, by Cynthia Chen and Patricia L. Mokhtarian. Transportation 33(3) (June), 2006, 223-240. Authors’ postprint available at http://repositories.cdlib.org/postprints/1173/.
- “TTB or not TTB, that is the Question: A Review and Analysis of the Empirical Literature on Travel Time (and Money) Budgets”, by Patricia L. Mokhtarian and Cynthia Chen. Transportation Research A 38(9-10), 2004, 643-675. Authors’ postprint available at http://repositories.cdlib.org/postprints/38/.
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- “Travel Time Budgets”, by Patricia L. Mokhtarian and Cynthia Chen. Entry in A Dictionary of Transport Analysis, eds. Kenneth Button, Henry Vega, and Peter Nijkamp, Cheltenham, UK: Edward Elgar, 2011, pp. 477-479. ISBN 978-1-84376-375-8.
- An Exploratory Study Using an AIDS Model for Tradeoffs between Time Allocations to Maintenance Activities/Travel and Discretionary Activities/Travel, by Cynthia Chen and Patricia L. Mokhtarian. Research Report UCD-ITS-RR-05-09, Institute of Transportation Studies, University of California, Davis, February 2005. Available at https://itspubs.ucdavis.edu/publication_detail.php?id=51 or http://repositories.cdlib.org/itsdavis/UCD-ITS-RR-05-09/.
- Modeling Individuals’ Travel Time and Money Expenditures, by Cynthia Chen and Patricia L. Mokhtarian. Research Report UCD-ITS-RR-00-22, Institute of Transportation Studies, University of California, Davis, March 2000. Available at https://itspubs.ucdavis.edu/publication_detail.php?id=428.
- A Review and Discussion of the Literature on Travel Time and Money Expenditures, by Cynthia Chen and Patricia L. Mokhtarian. Research Report UCD-ITS-RR-99-25, Institute of Transportation Studies, University of California, Davis, November 1999. Available at https://itspubs.ucdavis.edu/publication_detail.php?id=484.