Our Experts Jia Yan PhD Economics (2002) • Professor, Washington State University Contact Recent Projects SEE MORE Congestion Pricing and Diversity in the Valuation of Travel Time and Reliability Research Team: Kenneth Small (lead), Jia Yan UC Campus(es): Economics Recent Publications SEE MORE working paper Uncovering the Distribution of Motorists' Preferences for Travel Time and Reliability: Implications for Road Pricing Phd Dissertation Heterogeneity in Motorists' Preferences for Time Travel and Time Reliability: Empirical Findings from Multiple Survey Data Sets and Its Policy Implications working paper Heterogeneity in Motorists' Preferences for Time Travel and Time Reliability: Empirical Findings from Multiple Survey Data Sets and Its Policy Implications