Bahmani-Oskooee, Mohsen; Chang, Tsangyao; Liu, Wen-Chi - In: Applied Economics Letters 21 (2014) 18, pp. 1283-1287
Since introduction of unit roots, researchers have tried to solve the purchasing power parity (PPP) puzzle or its … power of these tests. Panel unit root testing is more prevalent due to at least increased size of the sample and relatively … more power of the tests. Within the panel, since some rates could be stationary and some nonstationary, Sequential Panel …