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How Does the Change of Carbon Dioxide Emissions Affect Transportation Productivity? A Case Study of the US Transportation Sector from 2002 to 2011 (Articles)
Jaesung Choi, David C. Roberts
Open Journal of Social Sciences Vol.3 No.2，February 9, 2015
DOI: 10.4236/jss.2015.32013 3,298 Downloads 3,952 Views Citations
Impacts of Air Pollution on Productivity Growth in the Air and Truck Transportation Industries in the US: an Application of the Data Envelopment Analysis Malmquist Environmental Productivity Index (Articles)
Open Journal of Social Sciences Vol.3 No.2，February 11, 2015
DOI: 10.4236/jss.2015.32016 3,098 Downloads 3,571 Views Citations
Reshaping Tribal Road Network Using Public Information (Articles)
Jaesung Choi, EunSu Lee, David C. Roberts
Journal of Geographic Information System Vol.6 No.6，December 8, 2014
DOI: 10.4236/jgis.2014.66049 3,633 Downloads 4,125 Views Citations
Productivity Growth in the Transportation Industries in the United States: An Application of the DEA Malmquist Productivity Index (Articles)
Jaesung Choi, David C. Roberts, EunSu Lee
American Journal of Operations Research Vol.5 No.1，January 6, 2015
DOI: 10.4236/ajor.2015.51001 4,096 Downloads 4,799 Views Citations
Forecasting Oil Production in North Dakota Using the Seasonal Autoregressive Integrated Moving Average (S-ARIMA) (Articles)
Natural Resources Vol.6 No.1，January 19, 2015
DOI: 10.4236/nr.2015.61003 3,141 Downloads 3,797 Views Citations This article belongs to the Special Issue on Natural Resource Economics
Development of an Aggregate Air Quality Index Using a PCA-Based Method: A Case Study of the US Transportation Sector (Articles)
Jaesung Choi, Yong Shin Park, Ju Dong Park
American Journal of Industrial and Business Management Vol.5 No.2，February 15, 2015
DOI: 10.4236/ajibm.2015.52007 4,761 Downloads 5,902 Views Citations
The development of a culturally relevant preventive intervention (Articles)
Heeseung Choi
Open Journal of Nursing Vol.2 No.2，June 29, 2012
DOI: 10.4236/ojn.2012.22019 4,339 Downloads 7,467 Views Citations
How a Proactive Interventionist Can Make Strikes More Effective: Evidence from the Korean Banking Sector (Articles)
ChungIL Choi
American Journal of Industrial and Business Management Vol.3 No.4，July 26, 2013
DOI: 10.4236/ajibm.2013.34051 3,805 Downloads 5,215 Views Citations
The Impact of Atmospheric Phenomena on South Korean Students’ Engagement at School through the Mediating Effect of the Students’ Health (Articles)
Shelley Choi
Atmospheric and Climate Sciences Vol.8 No.3，May 24, 2018
DOI: 10.4236/acs.2018.83020 455 Downloads 948 Views Citations
“Smart” Surveillance of Dusty Behavior: Illuminating the Relationship between Particulate Matter and the Atmosphere (Short Report)
Computational Water, Energy, and Environmental Engineering Vol.7 No.3，July 20, 2018
DOI: 10.4236/cweee.2018.73008 446 Downloads 751 Views Citations
A Comparative Study of Concretes Containing Crushed Limestone Sand and Natural Sand (Articles)
Yeol Choi, Jae-Hyuk Choi
Open Journal of Civil Engineering Vol.3 No.1，March 29, 2013
DOI: 10.4236/ojce.2013.31003 6,944 Downloads 10,902 Views Citations
A Comparison Study of Input ESD Protection Schemes Utilizing NMOS, Thyristor, and Diode Devices (Articles)
Jin Young Choi
Communications and Network Vol.2 No.1，March 1, 2010
DOI: 10.4236/cn.2010.21002 7,674 Downloads 12,955 Views Citations
On Certain Subclasses of Multivalent Functions Associated with a Family of Linear Operators (Articles)
Jae Ho Choi
Advances in Pure Mathematics Vol.1 No.4，July 22, 2011
DOI: 10.4236/apm.2011.14040 4,295 Downloads 8,801 Views Citations
Examining Human Resource Competencies and Their Relationship to the Success Factors of HR Profession (Articles)
Choi-Sang Long
Journal of Service Science and Management Vol.1 No.3，December 30, 2008
DOI: 10.4236/jssm.2008.13029 10,521 Downloads 20,085 Views Citations
An Analytical Approach for Fast Automatic Sizing of Narrow-Band RF CMOS LNAs (Articles)
Circuits and Systems Vol.3 No.2，April 19, 2012
DOI: 10.4236/cs.2012.32018 5,111 Downloads 7,443 Views Citations
A Study of the Causal Relationship between Real Exchange Rate of Renminbi and Hong Kong Stock Market Index (Articles)
Wai-Choi LEE
Modern Economy Vol.3 No.5，September 29, 2012
DOI: 10.4236/me.2012.35074 6,085 Downloads 9,091 Views Citations
An Analytical Approach for Fast Automatic Sizing of Narrow-Band RF CMOS LNAs with a Capacitive Load (Articles)
Circuits and Systems Vol.3 No.4，October 30, 2012
DOI: 10.4236/cs.2012.34045 4,648 Downloads 6,315 Views Citations
Applications of Multivalent Functions Associated with Generalized Fractional Integral Operator (Articles)
Advances in Pure Mathematics Vol.3 No.1，January 11, 2013
DOI: 10.4236/apm.2013.31001 5,046 Downloads 7,988 Views Citations
A Note on Timing of Endogenous Wage Bargaining: The Case of Complements (Articles)
Kangsik Choi, Minhwan Lee
Theoretical Economics Letters Vol.3 No.1，February 26, 2013
DOI: 10.4236/tel.2013.31005 3,890 Downloads 6,099 Views Citations
Technology and Applications of Microbial Biosensor (Review)
Chunhui Dai, Seokheun Choi
Open Journal of Applied Biosensor Vol.2 No.3，July 30, 2013
DOI: 10.4236/ojab.2013.23011 16,205 Downloads 28,898 Views Citations