M23
The Evaluation of Competitiveness Performance For Developing Eight Countries by Grey TOPSIS
Dr. Sultan Kuzu Yıldırım
İstanbul Üniversitesi İşletme Fakültesi Sayısal Yöntemler Anabilim Dalı
Dr. Bahadır Fatih Yıldırım
İstanbul Üniversitesi Ulaştırma ve Lojistik Fakültesi Lojistik Anabilim Dalı
Abstract
The World Economic Forum has developed the Global Competitiveness Index to measure the countries' competitiveness and rank the countries according to their level of competition. This index is calculated separately for each country starting from 2007 considering the 12 indicators. In this study, a new ranking has been obtained for 8 countries (D-8) developed with TOPSIS-G method by using the annual Global Competitiveness Index data published by the World Economic Forum over the period of2007to 2017. The relationship between the ranking of TOPSIS-G and observed ranking was investigated by Spearman-Rank correlation coefficient and Kendall Tau nonparametric correlation coefficients.As a result, it was determined that the ranking found with TOPSIS-G method wasstrongly related to the annual published rankings. In addition, the new ranking is less affected by competing rankings over the years.While the country with the highest level of competitiveness with Topsis-G method is Malaysia, Turkey is third. Pakistan is the lowest competitiveness country.
Keywords: Correlation Analysis, D8, Global Competitiveness Index, TOPSIS-G
Jel Classification: C61
D8 Ülkelerinin Küresel Rekabetçilik Düzeylerinin Gri TOPSIS Yöntemi İle Değerlendirilmesi
Özet
Dünya Ekonomi Forumu,ülkeleri rekabet düzeylerine göre sıralamak amacıyla Küresel Rekabetçilik Endeksini geliştirmiştir. Bu endeks 2007 yılından itibaren 12 göstergeye bağlı olarak her ülke için ayrı ayrı hesaplanmaktadır. Çalışmada Gri TOPSSyöntemi ile gelişen 8 ülkenin rekabet düzeyleri tekrar sıralanmıştır. Bu amaçla Dünya Ekonomi Forumu tarafından yayımlanan 2007-2017 yılları arasındaki veriler kullanılmıştır. Gri TOPSIS yöntemi ile elde edilen yeni sıralama ile Dünya Ekonomi Forumunun yayımladığı sıralama arasındaki ilişki Spearman Sıra Korelasyon Katsayısı ve Kendall Tau korelasyon katsayıları ile incelenmiştir.Yeni sıralamanın incelenen yıllar ile ayrı ayrı ilişkisinin, yılların kendi aralarındaki ilişkisinden daha güçlü olduğu saptanmıştır. Ayrıca elde edilen bu yeni sıralamaya göre rekabetçilik düzeyi en yüksek olan ülke Malezya iken Türkiye üçüncü sırada yer almaktadır. Pakistan ise bu grupta rekabetçilik düzeyi en düşük ülke olarak gözlenmiştir.
Anahtar Kelimeler: D8, Gri TOPSIS, Korelasyon Analizi, Küresel Rekabetçilik Endeksi
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