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Abstract In this paper we consider the robustness to error autocorrelation of four stationarity tests. The size and power properties of these tests are investigated by simulation. Size is improved by using fixed-b critical values to account for the number of lags used in long-run variance...
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In this paper we consider the KPSS test. We derive the asymptotic distribution of the statistic under the null of stationarity and under the unit root alternative under the "fixed-b" assumption that the ratio of the number of lags in the long run variance estimate to the sample size is fixed....
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Ausgangspunkt für Forderungen nach einer Einführung von Kapazitätsmechanismen im deutschen Strommarkt ist die Beobachtung, dass das gegenwärtige Investitionsverhalten der Marktakteure zu einem unzureichenden Niveau der Stromversorgungssicherheit führen könnte. In dem vorliegenden Beitrag...
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