Evidence on purchasing power parity from
✍
Dr Robert Sollis
📂
Article
📅
2005
🏛
John Wiley and Sons
🌐
English
⚖ 199 KB
## Abstract Recent research has found that trend‐break unit root tests derived from univariate linear models do not support the hypothesis of long‐run purchasing power parity (PPP) for US dollar real exchange rates. In this paper univariate smooth transition models are utilized to develop unit root