KOTI World-Brief, Vol. 1, No. 3, Korea Transport Institute (Visit Site), July, pp. 8-10;
This study estimates that during 2007, South Korean household expenditures on transportation totaled 11.4% of GDP, and external transportation costs (congestion delays, accident damages and pollution emissions) totaled 5.4% of GDP. The study compares South Korea's transport costs with other countries and indicates changes over time.
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