Bu çalışmada Türkiye'de döviz kuru, enflasyon ve dış ticaret dengesi arasındaki ilişki incelenmiştir. Bu doğrultuda reel döviz kuru, TÜFE ve ihracatın ithalatı karşılama oranı değişkenlerine ait 2003M1-2019M1 dönemi aylık veriler kullanılarak VAR modeli oluşturulmuştur. Granger nedensellik testi, varyans ayrıştırma ve etki tepki fonksiyonlarından elde edilen bulgular yorumlanmıştır. Bulgulardan hareketle dış ticaret dengesinin ve enflasyonun, reel döviz kurundaki değişmelerden etkilendiği buna karşın reel döviz kurunun enflasyon ve dış ticaret dengesi değişiklikleri ile ilişkili olmadığı tespit edilmiştir. Enflasyon ve dış ticaret dengesi arasında anlamlı olarak ifade edilebilecek herhangi bir etkileşime rastlanmamıştır.
We examine the growth effects of public and private investment by using data for a large sample of countries. For the full sample, our dynamic panel estimations indicate that both public and private investment have strong positive effects on growth. Our estimations for income levels also show that the impacts of both public and private investment are positive and statistically significant for developing countries. Interestingly, public and private investment promote growth in developing countries with effective and ineffective governments. It seems that countries can significantly benefit from investment regardless of their institutional quality levels. Furthermore, the effect of public investment generally appears to be larger than that of private investment. Given the robust relationship between investment and growth in both ineffective and effective developing countries, an important policy implication of our study is that both types of investment should be encouraged to foster economic growth.
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