SPATIAL SPILLOVER EFFECTS OF URBAN INFRASTRUCTURE INVESTMENTS: THE CASE OF TURKEY

Öz

Infrastructure investment types, which are an important determinant of competition power, have many positive effects on the regional and urban economies. In addition, through the spread effect, their positive or negative effects on the cities and regions neighboring the city or region where the infrastructure investments are made can come to the agenda. Also, in this study, infrastructure investments are divided into economic and social infrastructure investments by making use of the distinction in the literature and spillover effects of these types of infrastructure investment on the urban level in Turkey have been examined.

According to the results of this study, which has examined the spillover effects of infrastructure investment types for 81 provinces in Turkey by using 2004-2016 annual average data and spatial lag model, the existence of a positive spillover effect of economic and social infrastructure expenditure types on the output level has been determined. On the other hand, it has been concluded that the types of social infrastructure expenditure consisting of education and health expenditures have higher positive output effect than the economic infrastructure expenditures consisting of transportation-communication and energy expenditures.   

Anahtar Kelimeler

• Regional Economics,Infrastructure Investment,Spatial Econometrics,Spillover Effects

KENTSEL ALTYAPI YATIRIM HARCAMALARININ MEKÂNSAL YAYILMA ETKİSİ: TÜRKİYE ÖRNEĞİ

Öz

Rekabet gücünün önemli bir belirleyicisi olan altyapı yatırım türleri, bölgesel ve kentsel ekonomiler üzerinde pek çok olumlu etkiye sahiptir. Ayrıca altyapı yatırımlarının gerçekleştirildiği kent veya bölgeye komşu kent ve bölgeler üzerinde de yayılma etkisi yoluyla olumlu ya da olumsuz etkileri gündeme gelebilmektedir. Bu çalışmada da literatürdeki ayrımdan da yararlanılarak altyapı yatırımları ekonomik ve sosyal altyapı yatırımları olarak ikiye ayrılmış ve bu altyapı yatırım türlerinin Türkiye’de kentsel düzeyde yayılma etkisi incelenmiştir.

2004-2016 ortalama yıllık verileri ve mekânsal gecikme modeli yöntemiyle Türkiye’de 81 il için altyapı yatırım türlerinin yayılma etkisinin incelendiği bu çalışma sonuçlarına göre, ekonomik ve sosyal altyapı harcama türlerinin çıktı düzeyinde pozitif yayılma etkisinin varlığı belirlenmiştir. Diğer yandan eğitim ve sağlık harcamalarından oluşan sosyal altyapı harcama türlerinin, ulaştırma-haberleşme ve enerji harcamalarından oluşan ekonomik altyapı harcamalarına göre çıktıya olan pozitif etkisinin katsayı anlamında daha yüksek olduğuna dair bulgulara rastlanmıştır.  

Anahtar Kelimeler

• Bölgesel İktisat,Altyapı Yatırımı,Mekansal Ekonometri,Yayılma Etkisi

Kaynakça

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