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DTSTART;TZID=America/Los_Angeles:20130513T120000
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UID:4427-1368446400-1368450000@innovation.luskin.ucla.edu
SUMMARY:Environmental Economics\, Policy and Management Monthly Seminar Series: Rui Wang
DESCRIPTION:Topic: “Restricting Driving for Better Traffic and Cleaner Sky: Did It Work inBeijing?”Abstract:\nDriving restrictions have been implemented in a number of cities across the\nworld. However\, limited by data gaps and the potential problems in the\nprevailing research methodology of regression discontinuity\, few studies have\nquantitatively proven driving restrictions’ effects on traffic and researchers\ndisagree on the air quality consequences of driving restrictions. For the first\ntime in similar studies\, we introduce data measuring traffic conditions\, which\nprovide insights on the complicated policy process from driving restrictions to\nchanges in traffic\, emissions\, and air quality. To more reliably identify\ndriving restriction’s marginal effects than the existing studies\, we take advantage\nof the Chinese cultural resentment toward the number “four” and use\nthe unequal stringency of alternative restriction numbers as repeated exogenous\ntreatments. We find that Beijing’s “one-day-per-week” driving\nrestrictions reduced city-wide traffic delays but showed little effect on the concentration\nof inhalable particulates. We proposed and examined four possible explanations.\nWe find that likely due to the nonmonotonic relationship between network-level\ntraffic speed and total traffic volume\, marginal improvements in traffic\nconditions may have little or even negative effects on air quality\, given\nBeijing’s extremely congested roads. This implies that positive traffic and environmental\neffects of a policy may not always go hand in hand. To significantly reduce\nautomobile emissions and improve air quality in a heavily congested city like\nBeijing\, measures other than the one-day-per-week driving restriction are\nnecessary.Professor Rui Wang’s research focuses on the policy analysis of sustainable urban development\, particularly green transportation\, climate change\, air quality\, public health\, and environmental economic geography in the U.S. and/or China. His work appears in academic outlets such asAtmospheric Environment\, Environment and Planning C: Government and Policy\, Journal of Economic Geography\, Journal of Real Estate Finance and Economics\, Transport Policy\, and Urban Affairs Review. Professor Wang teaches “Introduction to Environmental Policy” and “Transportation and the Environment” in the Departments of Public Policy and Urban Planning\, directs the UCLA Chinese Planning Professional Training Program\, and serves on the Editorial Board of U.S. DOT’sJournal of Transportation and Statistics.
URL:https://innovation.luskin.ucla.edu/event/environmental-economics-policy-and-management-monthly-seminar-series-rui-wang/
ATTACH;FMTTYPE=image/jpeg:https://innovation.luskin.ucla.edu/wp-content/uploads/2018/07/Rui20Wang.jpg
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