OECD ÜLKELERİNDE AR-GE VE KATMA DEĞER İLİŞKİSİNE ALT-SEKTÖREL BİR YAKLAŞIM

Yıl 2020, Cilt: 16 Sayı: 1, 1 - 12, 02.05.2020

Bayram Veli Doyar

Öz

Bu çalışma OECD ülkelerinde Ar-Ge harcamalarının imalat sanayi alt sektörlerinin katma değerlerine etkilerini incelemeyi amaçlamaktadır. Veriler 1998-2015 dönemini kapsamaktadır. Eşbütünleşme testleri tüm modeller için uzun dönemli ilişkileri onaylamıştır. Uzun dönem katsayı tahminlerine göre Ar-Ge esneklikleri “yiyecek, içecek ve tütün” alt sektörü için 0.3 ve 0.4; “makine ve taşımacılık ekipmanları alt sektörü” için 0.7 ve 0.8; “orta ve yüksek teknoloji sanayi alt sektörü” için 0.5 ve 0.6; “tekstil ve giyim alt sektörü” için -0.30 ve -0.31; ve “kimyasallar alt sektörü” için 0.4 ve 0.35’tir. Son olarak nedensellik testleri Ar-Ge harcamalarının “yiyecek, içecek ve tütün” alt sektörünün katma değerinin Granger-nedeni olduğunu göstermiştir.

Anahtar Kelimeler

Ar-Ge, Yenilik, Katma Değer, İmalat, OECD

A SUB-SECTORAL APPROACH ON THE NEXUS BETWEEN R&D AND VALUE-ADDED IN OECD COUNTRIES

Öz

Current study aims to investigate the impact of R&D expenditures on added values of manufacturing sub-sectors in OECD countries. Data employed spans 1998-2015. Cointegration tests validate long-run relationship for each model. Long-run coefficient estimates show R&D elasticities of added values are 0.3 and 0.4 for ‘food, beverages, and tobacco’; 0.7 and 0.8 for ‘machinery and transportation equipment’; 0.5 and 0.6 for ‘medium and high-tech industry’; -0.30 and -0.31 for ‘textiles and clothing’; and 0.4 and 0.35 for ‘chemicals’. Lastly, causality tests reveal a causality from R&D expenditures to value-added of ‘food, beverages, and tobacco’ sub-sector.

Anahtar Kelimeler

R&D, Innovation, Value-added, Manufacturing, OECD

Kaynakça

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