In this paper we show the consequences of applying a panel unit root test when testing for a purchasing power parity relationship. The distribution of the tests investigated, including the IPS test of Im et al (1997), are influenced by a common stochastic trend which is usually not accounted...

What is the long-run relationship between monetary and fiscal policies? This paper provides an answer by examining a large set of data covering major economies during the past 115 years. The evidence suggests the existence of a close interaction between the monetary regime, that is the behaviour...