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Article

CRITIC Method and Grey System Theory in the Study of Global Electric Cars

by
Thi Kim Lien Nguyen
1,2,*,
Hoang Nga Le
1,
Van Hai Ngo
1 and
Bang An Hoang
1
1
Department of Economics-Business Administration, ThanhDong University, Hai Duong 171960, Vietnam
2
Scientific Research-International Cooperation, Thanh Dong University, Hai Duong 171960, Vietnam
*
Author to whom correspondence should be addressed.
World Electr. Veh. J. 2020, 11(4), 79; https://doi.org/10.3390/wevj11040079
Submission received: 27 September 2020 / Revised: 4 December 2020 / Accepted: 14 December 2020 / Published: 15 December 2020
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Abstract

Science and technology development is a crucial for the elimination of air pollutants. The electric car industry, for example, contributes to minimizing emissions and climate change. The purpose of this study is to present an overview of electric car sales and its market share in 14 countries, from past to future, by integrating important criteria through the inter-criteria correlation (CRITIC) method in multi-criteria decision-making (MCDM), grey model first-order one variables (GM(1,1)), and grey relation analysis (GRA) method in grey system theory. First, the GM(1,1) estimates future terms based on historical time-series. Second, the objective weights of each variable, in every year, are determined by the CRITIC method. Finally, the research uses the GRA method for computing grades and ranks. The empirical result then reveals the performance and rank of electric car sales during the time period of 2016–2023. The analysis results thus reveal market share picture and direction of growth in the electric car industry.
Keywords: electric car; CRITIC method; multi criteria decision making (MCDM); grey model first-order one variables (GM(1,1)); grey relation analysis (GRA); grey system theory electric car; CRITIC method; multi criteria decision making (MCDM); grey model first-order one variables (GM(1,1)); grey relation analysis (GRA); grey system theory

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MDPI and ACS Style

Nguyen, T.K.L.; Le, H.N.; Ngo, V.H.; Hoang, B.A. CRITIC Method and Grey System Theory in the Study of Global Electric Cars. World Electr. Veh. J. 2020, 11, 79. https://doi.org/10.3390/wevj11040079

AMA Style

Nguyen TKL, Le HN, Ngo VH, Hoang BA. CRITIC Method and Grey System Theory in the Study of Global Electric Cars. World Electric Vehicle Journal. 2020; 11(4):79. https://doi.org/10.3390/wevj11040079

Chicago/Turabian Style

Nguyen, Thi Kim Lien, Hoang Nga Le, Van Hai Ngo, and Bang An Hoang. 2020. "CRITIC Method and Grey System Theory in the Study of Global Electric Cars" World Electric Vehicle Journal 11, no. 4: 79. https://doi.org/10.3390/wevj11040079

APA Style

Nguyen, T. K. L., Le, H. N., Ngo, V. H., & Hoang, B. A. (2020). CRITIC Method and Grey System Theory in the Study of Global Electric Cars. World Electric Vehicle Journal, 11(4), 79. https://doi.org/10.3390/wevj11040079

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