Augmented Dickey Fuller (ADF) Panel Unit Root Tests
Covariate Augmented Dickey-Fuller Tests with R
... finding unit root tests with better power properties (see Haldrup and Jansson 2006, for a recent survey of some of these ...of unit root tests is to consider stationary ...
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On infimum Dickey–Fuller unit root tests allowing for a trend break under the null
... Abstract Trend breaks appear to be prevalent in macroeconomic time series. Consequently, to avoid the catastrophic impact that unmodelled trend breaks have on power it is standard empirical practice to employ unit ...
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Time Series Analysis Using SAS R Part I The Augmented Dickey-Fuller (ADF) Test
... of x) is the dependent variable and the independent variables are the set of 5 previous-differenced values of the x series. This analysis provides a "best-fit" mathematical equation for the relationship exhibited in Eq ...
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Persistence in Corporate Performance? - Empirical Evidence from Panel Unit Root Tests
... the Dickey-Fuller test without consuming too many degrees of ...1310 panel members. The unit root test is then performed as a stepwise linear regression where all lags not significant ...
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Behaviour of Dickey-Fuller Unit Root Tests Under Trend Misspecification
... a unit root test is based on a Dickey-Fuller regression whose only deterministic term is a fixed ...the Dickey-Fuller test can display a wide range of different characteristics ...
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On the use of integer and fractional flexible Fourier form Dickey-Fuller unit root tests
... Although instant changes in the deterministic component of macroeconomic aggregates are quite reasonable in some cases, in general they are not. This is a result of the very nature of the aggregate. For an aggregate to ...
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Optimal Fractional Dickey-Fuller Tests for Unit Roots
... fractional Dickey-Fuller (hereinafter, FDF) test for testing the null of unit root against the alternative of fractional ...optimal tests for some particular implementations, even for ...
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On the limiting behaviour of augmented seasonal unit root tests
... seasonal unit root tests of Dickey et ...admit unit roots at any of the zero or seasonal ...the tests, relative to the unaugmented ...
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Second Generation Panel Unit Root Tests
... All the individual CADF (or CADF ) statistics have similar asymptotic null distributions which do not depend on the factor loadings. But they are correlated due to the dependence on the common factor. Therefore, it is ...
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Dickey-Fuller Type of Tests against Nonlinear Dynamic Models
... the tests is compared to that of the classical unit root tests by Dickey-Fuller and Phillips and Perron, and is found to be superior in terms of ...
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Deterministic Seasonality in Dickey-Fuller Tests: Should We Care?
... DF tests are obvious: spurious rejections of the unit root null will arise and the problem may become rather dramatic when the standardized seasonal is ...
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Unusual behaviour of Dickey-Fuller tests in the presence of trend misspecification: comment
... Thus, when the number of the initial observations that are discarded is rather small, the τ τ -test exhibits very unusual behaviour. For the range of values of the autoregressive parameter that are considerably smaller ...
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Unusual Behaviour of Dickey-Fuller Tests in the Presence of Trend Misspecification: Comment
... Thus, when the number of the initial observations that are discarded is rather small, the τ τ -test exhibits very unusual behaviour. For the range of values of the autoregressive parameter that are considerably smaller ...
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ASSESSING INSTABILITY IN TRANSITION COUNTRIES USING PERRON’S MODIFIED AUGMENTED DICKEY-FULLER TEST
... More precisely, they argued that shocks are important over decade-long periods, especially for developing countries which are more prone to shocks, since they influence “policy” variables and thus estimates of the impact ...
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Finite sample effects of pure seasonal mean shifts on Dickey Fuller tests
... This assumption is rooted in the traditional trend-cycle-seasonal decomposition approach, which has evolved towards “conventional wisdom”, common belief or intuition. According to this intuition, such breaks change the ...
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On the finite-sample power of modified Dickey-Fuller tests: The role of the initial condition
... modified tests is ...of unit root tests, the results presented allow practitioners to select, and interpret the results of, alternative unit root tests in light of the ...
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Panel-CADF Testing with R: Panel Unit Root Tests Made Easy
... a panel covariate augmented Dickey-Fuller test (that they label pCADF) and also present a method to compute the asymptotic p ...the panel; as an alternative, the difference of the first ...
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Panel Unit Root Tests in the Presence of a Multifactor Error Structure
... sectionally augmented panel unit root test proposed by Pesaran (2007) to the case of a multifactor error ...other panel unit root tests based on principal ...
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Panel Unit Root Tests in the Presence of a Multifactor Error Structure
... sectionally augmented panel unit root test proposed by Pesaran (2007) to the case of a multifactor error ...other panel unit root tests based on principal ...
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On The Panel Unit Root Tests Using Nonlinear Instrumental Variables
... 3.1 Small Sample Results for NIV Test Tables 1-2 report the results for Chang’s error covariance matrix, Ω c . Table 1 gives the results for models with an intercept only, and Table 2 for models with a linear trend. The ...
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