The Effect of e-Forums on Online Group-Buying Behavior

by Yu-Sang Chang, 張瑜珊
Published 2006

Do Larger Cities Experience Lower Crime Rates? A Scaling Analysis of 758 Cities in the U.S.

by Yu Sang Chang, Hann Earl Kim, Seongmin Jeon
Published 2019-06-01

Dynamic Trends of Carbon Intensities among 127 Countries

by Yu Sang Chang, Dosoung Choi, Hann Earl Kim
Published 2017-12-01

Dynamic Trends of Fine Particulate Matter Exposure across 190 Countries: Analysis and Key Insights

by Yu Sang Chang, Byong-Jin You, Hann Earl Kim
Published 2020-04-01

Impact of Income, Density, and Population Size on PM_2.5 Pollutions: A Scaling Analysis of 254 Large Cities in Six Developed Countries

by Moon-Jung Kim, Yu-Sang Chang, Su-Min Kim
Published 2021-08-01

Dynamic Electricity Intensity Trends in 91 Countries

by Hann-Earl Kim, Yu-Sang Chang, Hee-Jin Kim
Published 2021-04-01

Population Density or Populations Size. Which Factor Determines Urban Traffic Congestion?

by Yu Sang Chang, Sung Jun Jo, Yoo-Taek Lee, Yoonji Lee
Published 2021-04-01