Yu Sang Chang

Gachon University - College of Business and Economics

Korea

SCHOLARLY PAPERS

60

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4,935

SSRN CITATIONS
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Top 17,160

in Total Papers Citations

24

CROSSREF CITATIONS

40

Scholarly Papers (60)

1.

Population Size vs. Number of Crime - Is the Relationship Super-Linear?

International Journal of Information and Decision Science(2018), Vol. 9, No. 1, pp. 26-39
Number of pages: 24 Posted: 03 Aug 2013 Last Revised: 17 Oct 2018
Yu Sang Chang, SungSup Choi, Jinsoo Lee and Won Chang Jin
Gachon University - College of Business and Economics, Gachon University - College of Business and Economics, KDI School of Public Policy and Management and The Gallup Organization
Downloads 788 (40,265)
Citation 1

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Number of crime counts, the size of city, super-linear relationship, time-invariant distribution, city ecosystem

2.

Scaling Relationship between Traffic Congestion versus Population Size of 164 Global Cities

Gachon Center of Convergence Research Working Paper Series 2018-08
Number of pages: 27 Posted: 15 Aug 2018 Last Revised: 02 Nov 2018
Yu Sang Chang, NeiHei Park, Yoo-Taek Lee and Yoonji Lee
Gachon University - College of Business and Economics, Gachon University - College of Business and Economics, Boston University - Questrom School of Business and Boston University - Frederick S. Pardee School of Global Studies
Downloads 411 (91,589)

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Urban congestion penalty, Urban congestion advantage, Tom Tom Traffic Index, Population coefficient, Scaling analysis

3.

Limit to Improvement in Running and Swimming

International Journal of Applied Management Science, Volume 3, Issue 1, pp. 97-120, 2011
Number of pages: 22 Posted: 02 Jun 2010 Last Revised: 31 Jan 2018
Yu Sang Chang and Seung Jin Baek
Gachon University - College of Business and Economics and United Nations
Downloads 309 (125,896)
Citation 1

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World Record, Time to Limit, Logistic Regression, Running, Swimming

4.

Limit to Improvement: Myth or Reality? Empirical Analysis of Historical Improvement on Three Technologies Influential in the Evolution of Civilization

Techonological Forecasting and Social Change, Volume 77, Issue 5, pp. 712-729, 2010, KDI School of Public Policy & Management Paper Series No. 09-06
Number of pages: 42 Posted: 13 Aug 2009 Last Revised: 31 Jan 2018
Yu Sang Chang and Seung Jin Baek
Gachon University - College of Business and Economics and United Nations
Downloads 299 (130,451)
Citation 3

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Technology S-Curve, X-Factor Analysis, Continuous Improvement, Disconnected Technology, Performance Difference, Lighting, Transport, Information and Communication

5.

Warren Buffett Value Indicator vs. GDP Size ─ Is the Relationship Superlinear?

International Journal of Economics and Business Research, 2018, vol. 15, No. 2
Number of pages: 21 Posted: 13 Jan 2017 Last Revised: 26 Mar 2018
Yu Sang Chang and Do Hyun Pak
Gachon University - College of Business and Economics and Gachon University
Downloads 275 (142,341)
Citation 1

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Warren Buffett Value Indicator, Buffett indicator, Superlinear relation, International investment

6.

Strategy, Structure, and Channel of Industrial Service Leaders

Int. J. Services Technology and Management, Vol. 17, Nos. 2/3/4, 2012, KDI School of Pub Policy & Management Paper No. 08-12
Number of pages: 25 Posted: 18 Sep 2008 Last Revised: 23 Oct 2012
Yu Sang Chang
Gachon University - College of Business and Economics
Downloads 241 (162,352)

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industrial service; service leaders; expanded value chain; service portfolio; front-line service; back-up service; service strategy; service organisations

7.

Are Technology Improvement Rates of Knowledge Industries Following Moore’s Law?: An Empirical Study of Microprocessor, Mobile Cellular, and Genome Sequencing Technologies

International Journal of Technology Management(2018), Vol. 78, No.3, pp. 182-207
Number of pages: 25 Posted: 07 Mar 2012 Last Revised: 25 Oct 2018
Yu Sang Chang, Jinsoo Lee and Yun Seok JUNG
Gachon University - College of Business and Economics, KDI School of Public Policy and Management and Seoul Metropolitan Government
Downloads 231 (169,039)
Citation 1

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Knowledge Industry, Exponential Trends of Improvement, Moore’s Law, Microprocessor, Mobile Cellular, Genome Sequencing

8.

Making Strategic Short-Term Cost Estimation by Annualized Experience Curve

International Jounal of Applied Management Science, Vol 2, No.3, 2010, p.262-281, KDI School of Pub Policy & Management Paper No. 09-01
Number of pages: 37 Posted: 23 Feb 2009 Last Revised: 19 May 2010
Yu Sang Chang
Gachon University - College of Business and Economics
Downloads 166 (227,811)

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Experience Concept and Curve, Short-Term Cost Estimation, Time-Based Improvement Methods, Strategic Costing, Moore's Law

9.

Dynamic Competitive Paradigm of Managing Moving Targets: Implications for Korean Industry

KDI School of Pub Policy & Management Paper No. 06-05, Korean Social Science Journal, Vol.XXXIII, No.2,, pp. 67-110, 2006
Number of pages: 48 Posted: 14 Dec 2006 Last Revised: 19 May 2010
Yu Sang Chang
Gachon University - College of Business and Economics
Downloads 165 (229,013)
Citation 2

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Dynamic competitive priority, Operational excellence, Customer intimacy, Product leadership, Integral organization, Modular organization, Hybrid organization

10.

Can We Predict Long-Term Future Crime Rates?

International J. of Society Systems Science (2016) Vol. 8, No. 3
Number of pages: 56 Posted: 08 Aug 2013 Last Revised: 29 Jul 2017
Yu Sang Chang and Changyong Choi
Gachon University - College of Business and Economics and KDI School of Public Policy and Management
Downloads 133 (272,730)
Citation 1

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projection of crime rates, total crime rates, violent crime rates, classical experience curve, kinked experience curves, kinked slope, kinked year

11.

Alternative Projection of the World Energy Consumption - In Comparison with the 2010 International Energy Outlook

Energy Policy 50 (2012) 154-160, KDI School of Pub Policy & Management Paper No. 12-08
Number of pages: 7 Posted: 20 Feb 2011 Last Revised: 10 Jun 2018
Yu Sang Chang, Jinsoo Lee and Hyerim Yoon
Gachon University - College of Business and Economics, KDI School of Public Policy and Management and KDI School of Public Policy and Management
Downloads 113 (307,074)
Citation 1

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Energy Consumption, Experience Model

12.

Is Forecasting Future Suicide Rate Possible? - Application of Experience Curve

Engineering Management Research vol.1, No.1, May, 2012, KDI School of Pub Policy & Management Paper No. 10-10
Number of pages: 32 Posted: 27 Sep 2010 Last Revised: 21 Jun 2012
Yu Sang Chang and Jinsoo Lee
Gachon University - College of Business and Economics and KDI School of Public Policy and Management
Downloads 97 (340,182)
Citation 2

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forecast of suicide rate, experience curve analysis

13.

More Traffic Congestion in Larger Cities? - Scaling Analysis of the Large 101 U.S Urban Centers

Gachon GCCR Working Paper Series No.15-5, Transport Policy, 59, (2017) 54-63
Number of pages: 44 Posted: 27 Mar 2015 Last Revised: 26 Mar 2018
Yu Sang Chang, Yong Joo Lee and SungSup Choi
Gachon University - College of Business and Economics, Gachon University - College of Business and Economics and Gachon University - College of Business and Economics
Downloads 96 (342,403)
Citation 2

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Urban congestion, Population size, Total delay hours, Excess CO₂ emission, Excess fuel consumption, Superlinear relation

14.

Forecasting Road Fatalities by the Use of Kinked Experience Curve

Int. J. Data Analysis Techniques and Strategies, Vl. 5, No. 4, 2013, KDI School of Pub Policy & Management Paper No. 10-07
Number of pages: 33 Posted: 30 Jul 2010 Last Revised: 07 Jan 2014
Yu Sang Chang and Jinsoo Lee
Gachon University - College of Business and Economics and KDI School of Public Policy and Management
Downloads 93 (349,376)
Citation 2

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Road Fatalities, Experience Curve, Kinked Experience Curve

15.

The Speed and Impact of a New Technology Diffusion in Organ Transplantation: A Case Study Approach

Arenives Des Science, Vol.65, #11, Nov.2012
Number of pages: 48 Posted: 17 Jan 2011 Last Revised: 26 Mar 2015
Yu Sang Chang, Jinsoo Lee and Yun Seok JUNG
Gachon University - College of Business and Economics, KDI School of Public Policy and Management and Seoul Metropolitan Government
Downloads 85 (369,533)
Citation 4

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Technology Diffusion, Organ Transplants, Immunosuppressive Agents, Experience Curve

16.

Kinked Experience Curve

Encyclopedia of Business Analytic and optimigation, (2014), 1358.
Number of pages: 12 Posted: 05 Aug 2013 Last Revised: 26 Mar 2015
Yu Sang Chang and Jinsoo Lee
Gachon University - College of Business and Economics and KDI School of Public Policy and Management
Downloads 84 (372,151)

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17.

Convergence Analysis on Ten Sub-Indexes of Economic Freedom

International Journal of Public Policy (2015), Vol. 11, No. 1/2/3
Number of pages: 35 Posted: 24 Mar 2014 Last Revised: 29 Jul 2017
Yu Sang Chang, Youngsoo Kim and JiHye Anna Kim
Gachon University - College of Business and Economics, Soongsil University and Soongsil University
Downloads 71 (409,603)

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Economic Freedom Indexes, Sigma convergence, Beta convergence, Sub-indexes

18.

Toward a Revised Theory of Technology Cycle for the Knowledge Economy - An Empirical Analysis of Microprocessor, Mobile Cellular and Genome Sequencing Technologies

Int. J. Technolgy, Policy and Management, Vol. 19, No. 3, 2019, GCCR Working Paper Series No. 13. 05.
Number of pages: 55 Posted: 05 Aug 2013 Last Revised: 18 Jul 2019
Yu Sang Chang
Gachon University - College of Business and Economics
Downloads 69 (415,932)

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Super Radical Innovation, Technology Cycle, Dominant Design, Knowledge Technologies, Industrial Technologies

19.

Scaling Relationship of Patent Counts vs. Population Size - Regional and Population Subgroup Analyses of 50 States in the U.S.

International Journal of Technology, Policy, and Management (2016) Vol.16, No.4, Gachon GCCR Working Paper Series No. 13-11
Number of pages: 33 Posted: 29 Jan 2015 Last Revised: 29 Jul 2017
Yu Sang Chang, Yoo-Taek Lee, Hyun Ki Kim and Sun Woo Nam
Gachon University - College of Business and Economics, Boston University - Questrom School of Business, University of Chicago, Students and Gachon University - College of Business and Economics
Downloads 66 (425,863)

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Patent activity, Scaling relation, Regional subgroup, Population-based subgroup

20.

An Empirical Fact of Urban Health Advantage vs. Urban Health Penalty - Scaling Analysis of Death Count in Four Major Disease Categories

International Journal of Society Systems Science, Vol. 10, No. 1, 2018
Number of pages: 32 Posted: 03 Nov 2015 Last Revised: 02 Nov 2018
SungSup Choi, Yong Joo Lee and Yu Sang Chang
Gachon University - College of Business and Economics, Gachon University - College of Business and Economics and Gachon University - College of Business and Economics
Downloads 63 (436,106)

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Urban Health Penalty, Urban Health Advantage, Super-linearity, Sub-linearity, Scaling Relationship

21.

Tipping Points Toward Urban Pollution Advantage? Scaling of Carbon Dioxide Emissions in the US Urban Areas

International Journal of Environment and Sustainable Development (2020), Vol.19, No.2, pp.195-208, GCCR Working Paper Series 14-14
Number of pages: 13 Posted: 26 Aug 2014 Last Revised: 25 Nov 2020
Seongmin Jeon and Yu Sang Chang
Gachon University - College of Business and Economics and Gachon University - College of Business and Economics
Downloads 56 (461,504)
Citation 1

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Carbon dioxide emissions, urban pollution advantage, urban pollution penalty, neutral urban pollution, tipping point

22.

Portfolio Entrepreneurial Processes in the Context of Individual Ventures

Journal of International Business and Entrepreneurship Development (2015), Vol. 8, #4, 301-328, Gachon GCCR Working Paper Series No. 13-9
Number of pages: 49 Posted: 30 Jul 2013 Last Revised: 29 Jul 2017
Yu Sang Chang, Hyun Bae Cha and Jong Beom Moon
Gachon University - College of Business and Economics, JC HYUN Systems, Inc. and Konkuk University
Downloads 53 (472,999)

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23.

Alternative Projection of the Carbon Dioxide Emission for 10 Countries and Regions - In Comparison with the 2013 International Energy Outlook

Carbon management (2015), Vol.6 #1-2, 51-62, GCCR Working Paper Series 14-13
Number of pages: 28 Posted: 21 Aug 2014 Last Revised: 29 Jul 2017
Yu Sang Chang, Seongmin Jeon and Hyun Ki Kim
Gachon University - College of Business and Economics, Gachon University - College of Business and Economics and University of Chicago, Students
Downloads 49 (489,316)
Citation 1

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carbon dioxide intensity, carbon dioxide emission, classical experience curve, kinked experience curve, International Energy Outlook report 2013

24.

Do Income and Population Influence the Convergence in Energy Intensity?: A Cross-Country Analysis

International Journal of Energy Technology and Policy, vol.15.Nos 2/3, 2019, Gachon GCCR Working Paper Series 13-10
Number of pages: 21 Posted: 07 Dec 2013 Last Revised: 16 May 2019
Yu Sang Chang, Seongmin Jeon, NeiHei Park and Taesoo Song
Gachon University - College of Business and Economics, Gachon University - College of Business and Economics, Gachon University - College of Business and Economics and Gachon University - College of Business and Economics
Downloads 44 (511,284)
Citation 7

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Energy Intensity, Convergence, Income, Population, Distribution Dynamics

25.

Convergence Analysis of the Entrepreneurship Start-Up Barriers

Int. J. Management and Enterprise Development, Vol. 19, No. 1, 2020, pp.21 - 41, GCCR Working Paper Series 2017-03
Number of pages: 43 Posted: 12 May 2017 Last Revised: 27 Dec 2019
Yu Sang Chang, JiHye Anna Kim and Youngsoo Kim
Gachon University - College of Business and Economics, Soongsil University and Soongsil University
Downloads 43 (515,818)

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Start-up Barriers, Cost, Time, and Procedures, Sigma Convergence, Gamma Convergence

26.

Convergence Analysis of the Sanitation Index for 158 Countries

Journal of Environmental Accounting and Management 7(3) (2019) 263-277,GCCR Working Paper Series 17-06
Number of pages: 29 Posted: 15 Dec 2017 Last Revised: 26 Jun 2019
Yu Sang Chang, Yoo-Taek Lee, Yoonji Lee and MyungHoon Jin
Gachon University - College of Business and Economics, Boston University - Questrom School of Business, Boston University - Frederick S. Pardee School of Global Studies and Gachon University - College of Business and Economics
Downloads 41 (525,189)
Citation 1

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Sanitation index, Millennium development goals, Convergences analysis, Sigma index, Gamma index

27.

How Much More Electricity May Be Generated Through 2040 by Nuclear Power?

International Journal of Energy Technology and Policy (2019), Vol. 15, No. 4, pp.396 - 412
Number of pages: 28 Posted: 26 Mar 2016 Last Revised: 26 Oct 2019
Yu Sang Chang and Jinnie Yoo
Gachon University - College of Business and Economics and Gachon University - College of Business and Economics
Downloads 41 (525,189)

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Nuclear electricity intensity, Net nuclear electricity generation, Experience curve

28.

Winners from The Changing Trends of Energy Intensities Among 115 Countries.

International J. of Technology, Policy, and Management (2020), Vol.20, No.3, pp.242-272, GCCR Working paper series 2016-01
Number of pages: 43 Posted: 16 Feb 2016 Last Revised: 23 Nov 2020
Yu Sang Chang, NeiHei Park and Jinbae Kim
Gachon University - College of Business and Economics, Gachon University - College of Business and Economics and Korea University Business School (KUBS)
Downloads 39 (534,884)

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Energy intensity, Progress ratios, Classical experience curve, Kinked experience curve, Energy productivity

29.

Will the Stop TB Partnership Targets on TB Control Be Realized on Schedule? - Projection of Future Incidence, Prevalence and Death Rates

International Journal of Data Science, Vol.2, No. 1, 2017
Number of pages: 43 Posted: 20 Aug 2013 Last Revised: 26 Mar 2018
Yu Sang Chang, Changyong Choi and Jee Hee Yoon
Gachon University - College of Business and Economics, KDI School of Public Policy and Management and Korea Development Institute (KDI)
Downloads 38 (539,941)
Citation 27

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Tuberculosis (TB), Stop TB Partnership, classical experience curve, kinked experience curve, projection methodology

30.

Is the 2040 Projection on Net Electricity Generation by Energy Information Administration Too Conservative? In Comparison to Alternate Projection Using Experience Curve

GCCR working paper series 2016-03
Number of pages: 24 Posted: 16 Feb 2016 Last Revised: 27 Dec 2019
Yu Sang Chang, Jong Yi, Sung Jun Jo and Yoo-Taek Lee
Gachon University - College of Business and Economics, Gachon University, Gachon University - College of Business and Economics and Boston University - Questrom School of Business
Downloads 35 (555,406)
Citation 7

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Net electricity generation, Electricity intensity, Kinked experience curve, Classical experience curve, Energy Information Administration

31.

How Much Wind-Powered Electricity May Be Generated in 2040 by China, the U.S. and Four Other Countries?

International J. of Energy Technology and Policy (2020), Vol.16, No.2, pp.196-212
Number of pages: 20 Posted: 23 Sep 2016 Last Revised: 25 Nov 2020
Gachon University - College of Business and Economics, Gachon University - College of Business and Economics, Gachon University - College of Business and Economics and Boston University - Questrom School of Business
Downloads 34 (560,774)

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Wind-Powered Electricity, Experience Curve, Wind Electricity Intensity, Wind-Powered Net Electricity Generation

32.

Using Experience Curve to Project Net Hydroelectricity Generation - In Comparison to EIA's Projection

International Journal of Energy Technology and Policy (2017), Vol. 13, No. 4, pp.305 - 319
Number of pages: 21 Posted: 15 Feb 2016 Last Revised: 01 Aug 2017
Yu Sang Chang, Sung Jun Jo and Seongmin Jeon
Gachon University - College of Business and Economics, Gachon University - College of Business and Economics and Gachon University - College of Business and Economics
Downloads 33 (566,249)

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hydroelectricity intensity, net hydroelectricity generation, hydropower, experience curve

33.

Next Frontier of Experience Curve Application - Predicting Performance of Large Learning Systems by Kinked Experience Curve

Number of pages: 30 Posted: 03 Aug 2013 Last Revised: 09 Aug 2013
Yu Sang Chang
Gachon University - College of Business and Economics
Downloads 33 (566,249)
Citation 1

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Kinked experience curve model, classical experience curve model, learning systems

34.

Does the Species Protection Index for 198 Countries Converge Over Time?

Forthcoming, Ecology, Environment and Conservation. Gachon Center of Convergence Research Working Paper Series 2018-11
Number of pages: 48 Posted: 12 Oct 2018 Last Revised: 16 Apr 2021
Yu Sang Chang, Hann Earl Kim and Myeong Cheol Choi
Gachon University - College of Business and Economics, Gachon University - College of Business and Economics and Dept. of Global Business, Gachon University
Downloads 32 (571,710)

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Species Protection Indicator, PSPU, PSPW, Convergence Analysis, and Indexes, Speed of Catch-Up

35.

When Will the Millennium Development Goal on Infant Mortality Rate Be Realized? Projections for 21 OECD Countries Through 2050

International Journal of Data Analysis Techniques and Strategies, Vol. 10, No. 1, 2018, KDI School of Pub Policy & Management Paper
Number of pages: 25 Posted: 17 Apr 2013 Last Revised: 07 Dec 2018
Yu Sang Chang, Jinsoo Lee and Hyuk Ju Kwon
Gachon University - College of Business and Economics, KDI School of Public Policy and Management and KDI School of Public Policy and Management
Downloads 32 (571,710)
Citation 1

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Child health, Health policy, Mortality

36.

Convergence Analysis on the Fish Stock Status Index for 131 Countries

Gachon Center of Convergence Research Working paper 2021-02
Number of pages: 45 Posted: 03 Aug 2020 Last Revised: 16 Apr 2021
Yu Sang Chang, Moon Jung Kim and Su Min Kim
Gachon University - College of Business and Economics, Gachon University - College of Business and Gachon University - College of Business
Downloads 31 (577,318)

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Maximum sustainable yield, “Overfished”, Dispersion reduction (σ convergence), catch-up (γ convergence)

37.

Speed of Catch-up and Digital Divide: A Study of Three Information Communication Technologies for 44 African Countries

Journal of Global Information Technology Management https://doi.org/10.1080/1097198X.2020.1792231, Gachon Center of Convergence Research, Working Paper Series, 2019-03
Number of pages: 37 Posted: 31 Dec 2019 Last Revised: 12 Aug 2020
Yu Sang Chang, Seongmin Jeon and Kudzai Shamba
Gachon University - College of Business and Economics, Gachon University - College of Business and Economics and affiliation not provided to SSRN
Downloads 31 (577,318)

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Digital Divide, Catch-Up, Sigma Convergence, Gamma Convergence, ICT, ITU

38.

Does the Corruption Perception Index for 129 Countries Converge Over Time?

GCCR Working Paper Series, 2018-01
Number of pages: 40 Posted: 12 Jan 2018 Last Revised: 08 May 2018
Yu Sang Chang
Gachon University - College of Business and Economics
Downloads 31 (577,318)

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Corruption Perception Index, Convergence Analysis, Sigma Index, Gamma Index, Catch-up Effect, Reduction of Dispersion

39.

Convergence Analysis of Terrestrial Protected Areas by 159 Countries

Ecology, Environment and Conservation. 27(1) : 2021; pp. (481-498), Gachon Center of Convergence Research Working Paper Series 2018-10
Number of pages: 18 Posted: 28 Sep 2018 Last Revised: 07 May 2021
Yu Sang Chang, Moon Jung Kim and Sung Jun Jo
Gachon University - College of Business and Economics, Gachon University - College of Business and Gachon University - College of Business and Economics
Downloads 28 (595,224)

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Terrestrial Protected Areas, Aicni Target 11, convergence analysis, σ and γ, indexes, speed of convergence

40.

Alternative Projections of Solar-Powered Electricity in 2040 for Six Major Producing Countries

Gachon Working Paper 2017-4
Number of pages: 25 Posted: 07 Sep 2017
Yu Sang Chang, Do Hyun Pak and Seongmin Jeon
Gachon University - College of Business and Economics, Gachon University and Gachon University - College of Business and Economics
Downloads 27 (601,432)

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Solar-powered electricity, Experience curve, Solar electricity intensity, Experience slope

41.

Convergence Analysis of the Improved Water Sources for 203 Countries

Journal of Environmental Accounting and Management 8(3) (2020) 215-228, GCCR Working Paper Series, 2018-02
Number of pages: 36 Posted: 12 Feb 2018 Last Revised: 25 Nov 2020
Yu Sang Chang, Yoo-Taek Lee, Yoonji Lee and Ki Baek Kim
Gachon University - College of Business and Economics, Boston University - Questrom School of Business, Boston University - Frederick S. Pardee School of Global Studies and Syracuse University
Downloads 25 (614,574)

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Improved Water Source, Millennium Development Goals (MDGs), Convergences Analysis, Sigma Index, Gamma Index

42.

Are there Higher Pedestrian Fatalities in Larger Cities? – A Scaling Analysis of 115 to 161 of the Largest Cities in the U.S.A

Traffic Injury Prevention (March 2016) Gachon GCCR Working Paper Series No. 15-1
Number of pages: 35 Posted: 28 May 2015 Last Revised: 16 Apr 2021
Yu Sang Chang, Won Jae Lee, Jae Hee Lee and Sun Joo Park
Gachon University - College of Business and Economics, Gachon University, Gachon University and Gachon University
Downloads 25 (614,574)

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43.

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

Sustainability 2019, 11, 3111; doi:10.3390/su11113111, Gachon Center of Convergence Research Working paper 2019-02
Number of pages: 33 Posted: 19 Mar 2019 Last Revised: 26 Jun 2019
Yu Sang Chang, Hann Earl Kim and Seongmin Jeon
Gachon University - College of Business and Economics, Gachon University - College of Business and Economics and Gachon University - College of Business and Economics
Downloads 23 (628,322)

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violent crime counts, property crime counts, population size of city, superlinear relationship, sublinear relationship, linear relationship

44.

Comparative Analysis of Long-Term Road Fatality Targets for Individual States in America - An Application of Experience Curve Models

Transport Policy. 36 (2014) 53-69.
Number of pages: 27 Posted: 09 Oct 2013 Last Revised: 26 Mar 2015
Yu Sang Chang
Gachon University - College of Business and Economics
Downloads 23 (628,322)

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45.

Do Globalization Indices for 141 Countries Converge Over Time?

Gachon Center of Convergence Research Working Paper Series, 2019-01
Number of pages: 35 Posted: 13 Mar 2019 Last Revised: 01 Sep 2019
Yu Sang Chang, Hann Earl Kim and Sung Jun Jo
Gachon University - College of Business and Economics, Gachon University - College of Business and Economics and Gachon University - College of Business and Economics
Downloads 22 (635,388)

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KOF globalization indices, Overall index, Economic index, Political index, Social index, Sigma convergence, Gamma convergence

46.

Comparative Analysis Among the Four Groups of 30 Countries Each With the Highest Versus the Lowest Air Pollution

GCCR Working Paper Series, 2018-05
Number of pages: 49 Posted: 16 Jun 2018 Last Revised: 27 Jul 2018
Yu Sang Chang, Do Hyun Pak, Seongmin Jeon and Jonghyup Lee
Gachon University - College of Business and Economics, Gachon University, Gachon University - College of Business and Economics and Gachon University
Downloads 22 (635,388)

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Convergence Analysis, Sigma Index, Gamma Index, Catch-Up Effect, PM2.5 Exposure, PM2.5 Exceedance

47.

Scaling Relationship of Five Safety Indexes vs. Population Size for 42 to 49 Global Cities

Gachon Center of Convergence Research Working Paper Series, 2018-07
Number of pages: 38 Posted: 07 Aug 2018 Last Revised: 06 Nov 2018
Yu Sang Chang, Seongmin Jeon and Jaeram Lee
Gachon University - College of Business and Economics, Gachon University - College of Business and Economics and College of Business
Downloads 21 (642,447)

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Urban Scale Advantage, Urban Safety Advantage, Safety City Index, STIRPAT Model

48.

Convergence Analysis of Fine Particulate PM2.5 Concentrations for 212 to 108 Countries

GCCR Working Paper Series, 2018-04
Number of pages: 55 Posted: 24 May 2018 Last Revised: 16 Apr 2021
Yu Sang Chang, Do Hyun Pak and Hyeongsop Shim
Gachon University - College of Business and Economics, Gachon University and Gachon University
Downloads 20 (649,525)
Citation 1

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convergence analysis, PM2.5 exposures, PM2.5 exceedance, sigma index, gamma index, catch-up effect

49.

Dynamic Electricity Intensity Trends in 91 Countries

Sustainability 2021, 13, 4588 https://doi.org/10.3390/su13084588, GCCR working paper series 2017-02
Number of pages: 26 Posted: 30 Mar 2017 Last Revised: 07 May 2021
Hann Earl Kim, Yu Sang Chang and Heejin Kim
Gachon University - College of Business and Economics, Gachon University - College of Business and Economics and Gachon University - College of Business and Economics
Downloads 20 (649,525)

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electricity intensity; progress ratio; classical experience curve; kinked experience curve;

50.

Higher Pedestrian Fatalities in Larger Cities? Scaling Analysis of Over 115 to 161 Large U.S. Cities

Number of pages: 35 Posted: 02 May 2015
Yu Sang Chang, Won Jae Lee and Jae Hee Lee
Gachon University - College of Business and Economics, Gachon University and Gachon University
Downloads 19 (656,722)

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51.

Dynamic Trends of Carbon Intensities Among 127 Countries

Sustainability 2017, 9, 2268, GCCR Working Paper Series 2017-05
Number of pages: 52 Posted: 02 Nov 2017 Last Revised: 26 Mar 2018
Yu Sang Chang, Dou Sung Choi and Hann Earl Kim
Gachon University - College of Business and Economics, Gachon University - College of Business and Economics and Gachon University - College of Business and Economics
Downloads 17 (671,097)

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Carbon Intensity of Economic Output, CO2 Emissions, Progress Ratio, Classical Experience Curve, Kinked Experience Curve

52.

Dynamic Trends of Fine Particulate Matter Exposure Among 190 Countries

Sustainability 2020, 12, 2910 ; doi 10.3390/su 12072910. Gachon Center of Convergence Research, Working Paper Series, 2019-06
Number of pages: 53 Posted: 16 Dec 2019 Last Revised: 07 Jul 2020
Yu Sang Chang, Byong Jin You and Hann Earl Kim
Gachon University - College of Business and Economics, affiliation not provided to SSRN and Gachon University - College of Business and Economics
Downloads 16 (678,475)
Citation 1

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PME; PM2.5 exposure; cumulative energy consumption, progress ratio; classical experience curve

53.

Convergence Analysis of Outdoor Air Pollution for Nitrogen Dioxide for 179 Countries

Gachon Center of Convergence Research Working Paper Series, 2018-06
Number of pages: 37 Posted: 23 Aug 2018
Yu Sang Chang, Yoo-Taek Lee and Yoonji Lee
Gachon University - College of Business and Economics, Boston University - Questrom School of Business and Boston University - Frederick S. Pardee School of Global Studies
Downloads 14 (693,722)

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NO2 Pollution, Catch-Up Effect, σ Convergence, γ Convergence, Speed of Catch-Up

54.

How Rapidly Do the Road Fatality Rates of 37 Countries Converge Over Time?

The Open Transportation Journal, DOI: 10.2174/1874447801913010169, 2019, 13, 169-181
Number of pages: 39 Posted: 16 Dec 2019 Last Revised: 10 Jul 2020
Yu Sang Chang and Sung Jun Jo
Gachon University - College of Business and Economics and Gachon University - College of Business and Economics
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Road fatality rate, Convergence analysis, Catch-up effect, Reduction of

55.

Convergence Analysis of 5 Suicide Measures for 57 Countries During 1995 to 2015

Gachon Center of Convergence Research Working Paper Series, 2019-04
Number of pages: 43 Posted: 12 Jul 2019
Yu Sang Chang
Gachon University - College of Business and Economics
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Total Suicide Ratio, Female Suicide Ratio, Male Suicide Ratio, Youth Suicide Ratio, Old Suicide Ratio, Annual Reduction Rate of Suicide Ratios, Annual Speed of Catch-Up Effects, Gamma Convergence, Sigma Convergence

56.

Convergence Analysis of Marine Protected Areas by 104 Countries

Gachon Center of Convergence Research Working Paper Series, 2018-09
Number of pages: 36 Posted: 26 Sep 2018
Yu Sang Chang, Hann Earl Kim and Myeong Cheol Choi
Gachon University - College of Business and Economics, Gachon University - College of Business and Economics and Dept. of Global Business, Gachon University
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Marine Protected Areas, Exclusive Economic Zone, Convergence Analysis, σ and γ, Indexes, Speed of Convergence

57.

Impact of Income, Density, and Population Size on PM2.5 Pollutions: A Scaling Analysis of 254 Large Cities in Six Developed Countries

Gachon Center of Convergence Research Working paper 2021-03
Number of pages: 29 Posted: 20 Aug 2021
Moon Jung Kim, Yu Sang Chang and Su Min Kim
Gachon University - College of Business, Gachon University - College of Business and Economics and Gachon University - College of Business
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PM2.5 concentrations; city income per capita; population density; population size; STIRPAT model; threshold regression; environmental kuznet curve

58.

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

Sustainability 2021, 13, 4280 https://doi.org/10.3390/su13084280, Gachon Center of Convergence Research Working paper 2021-01
Number of pages: 21 Posted: 26 Apr 2021 Last Revised: 07 May 2021
Yu Sang Chang, Sung Jun Jo, Yoo-Taek Lee and Yoonji Lee
Gachon University - College of Business and Economics, Gachon University - College of Business and Economics, Boston University - Questrom School of Business and Boston University - Frederick S. Pardee School of Global Studies
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Deployment Model, Service Model, Public Cloud, Private Cloud, Hybrid Cloud, Inter-Cloud, Federation Cloud, Multi Cloud

59.

The Offsetting Impact of Dependency and Urbanization on Mean Years of Schooling: A Scaling Analysis of 97 Countries

Number of pages: 30
Yu Sang Chang, Moon Jung Kim and Su Min Kim
Gachon University - College of Business and Economics, Gachon University - College of Business and Gachon University - College of Business
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mean years of schooling, dependency, urbanization, income, STIRPAT model, Education

60.

Dynamic Trends of NO₂ Concentrations among 109 Countries

Number of pages: 54
Yu Sang Chang, Hann Earl Kim and Su Min Kim
Gachon University - College of Business and Economics, Gachon University - College of Business and Economics and Gachon University - College of Business
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Nitrogen Dioxide Concentration (NO₂C), progress ratio, classical experience curve, kinked experience curve