We show that tests for a break in the persistence of a time series in the classicalI(0) - I(1) framework have serious size distortions when the actual data generatingprocess exhibits long-range dependencies. We prove that the limiting distributionof a CUSUM of squares based test depends on the...

We analyze the cross-national distribution of GDP per capita and its evolutionfrom 1970 to 2003. We argue that peaks are not a suitable measure for distinctgrowth regimes, because the number of peaks is not invariant under strictlymonotonic transformations of the data (e.g. original vs. log...

Atheoretical regression trees (ART) are applied to detect changes in the mean of a stationarylong memory time series when location and number are unknown. It is shownthat the BIC, which is almost always used as a pruning method, does not operate well inthe long memory framework.[...]