Economic Reflections of Technological Transformation: Sectoral Structure of R&D Expenditures in Türkiye and Their Relationship with Productivity
Economic Reflections of Technological Transformation
DOI:
https://doi.org/10.5281/zenodo.18078185Anahtar Kelimeler:
Ar-Ge Harcamaları, Toplam Faktör Verimliliği, Sektörel İnovasyon, Türkiye, Temel Bileşen Analizi, Eşbütünleşme AnaliziÖzet
Amaç – Bu çalışma, 1990-2019 yılları arasında Türkiye'de Ar-Ge harcamalarının sektörel yapısının Toplam Faktör Verimliliği (TFV) üzerindeki etkilerini incelemektedir. Araştırma, özel sektör, kamu sektörü ve yükseköğretim kurumlarının Ar-Ge harcamalarının TFV'yi nasıl farklı şekilde etkilediğini inceleyerek, sektörel Ar-Ge etkilerine dair ampirik kanıtların sınırlı kaldığı gelişmekte olan ekonomiler literatüründeki kritik bir boşluğu ele almaktadır.
Tasarım/veri/metodoloji – Çalışmada, 1990-2019 dönemini kapsayan zaman serisi verileri kullanılmaktadır. Birim kök testleri (ADF, Phillips-Perron, KPSS), Johansen Eşbütünleşme Analizi, Vektör Hata Düzeltme Modeli (VECM) ve Temel Bileşen Analizi (PCA) gibi gelişmiş teknikler uygulanmaktadır. Veri seti, Türkiye İstatistik Kurumu, Penn World Table, Dünya Bankası ve OECD veri tabanlarından TFV ölçümlerini ve çeşitli makroekonomik, kurumsal ve Ar-Ge harcama değişkenlerini içermektedir.
Bulgular – Özel sektör Ar-Ge harcamaları ile TFV arasında negatif ve istatistiksel olarak anlamlı ilişki (0,0073) ortaya koymaktadır. Kamu sektörü Ar-Ge'si (0,0112) ve yükseköğretim Ar-Ge'si (0,0108), üretkenlik üzerinde olumlu etkiler göstermektedir. Sermaye yoğunluğu faktörü, TFV üzerinde en güçlü olumlu etkiyi göstermektedir (0,0938), bu da Türkiye'deki üretkenlik kazanımlarının inovasyon odaklı büyümeden ziyade öncelikli olarak sermaye birikiminden kaynaklandığını göstermektedir.
Özgünlük/değer – Bu çalışma, Türkiye'de sektörel Ar-Ge harcamalarının üretkenlik üzerindeki farklı etkilerine dair ampirik kanıtlar sunarak literatüre katkıda bulunmakta ve özel sektör Ar-Ge etkinliğine ilişkin geleneksel varsayımları sorgulamaktadır.
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