This paper uses a decomposition of the data into common and idiosyncratic components to develop procedures that test if these components satisfy the null hypothesis of stationarity The decomposition also allows us to construct pooled tests that satisfy the cross-section independence assumption...

This paper provides an empirical assessment of the importance of sticky prices in accounting for the variations and the persistence in real exchange rates Vector autoregressions with five variables from two countries that always include the United States are estimated Restrictions are imposed to...

This paper develops a new methodology that makes use of the factor structure of large dimensional panels to understand the nature of non-stationarity in the data We refer to it as PANIC - a 'Panel Analysis of Non-stationarity in Idiosyncratic and Common components' PANIC consists of univariate...

In a recent paper Engel (1999b) presents monte-carlo evidence to suggest that unit root tests can not detect a non-stationary component in the real exchange rate even when this component accounts for almost half of its long-horizon forecast error variance This hidden non-stationary component led...