SATIN ALMA GÜCÜ PARİTESİ G7 ÜLKELERİ İÇİN GEÇERLİ Mİ?

Year 2012, Volume: 30 Issue: 2, 137 - 161, 31.12.2012

Burcu Özcan

Abstract

 

Satın alma gücü paritesi (SAGP) ortak bir para birimi cinsinden ifade edildiğinde, ulusal ve yabancı fiyat düzeylerinin eşit olması gerektiğini ileri sürmektedir. SAGP, mal piyasası arbitrajının ülkelere karşı fiyatlardaki pariteyi yürürlüğe koyduğu fikrine dayanmakta olup  mutlak ve nispi türleri arasında bir ayrım ile açıklanabilmektedir. SAGP oldukça geniş çaplı bir ampirik merak doğurmuştur. Fakat tutarlılığı konusunda bir uzlaşı söz konusu değildir. Geçerliliğini test etmek üzere birçok ampirik teknik kullanılmaktadır. Bu çalışmada ise G7 ülkeleri için 1980-2010 dönemi boyunca yatay kesit bağımlılığı ve çoklu yapısal kırılma durumunu dikkate alan PANKPSS testini kullanarak SAGP’nin geçerliliğini sınamaktayız. Sonuçlar, çoğu durumda SAGP’nin geçerliliğini teyit etmektedir.

 

 

Keywords

Satın alma gücü paritesi, tek fiyat kanunu, panel birim kök testi, yapısal kırılmalar

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