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...

Using data from 17 countries that have suffered a currency crisis, this paper studies firm-level leverage and performance measures before and after a crisis has occurred. We show that in the years preceding a currency crisis, companies that are expected to benefit from currency depreciations...