1994
DOI: 10.2307/2291004
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Efficient Tests of Nonstationary Hypotheses

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Cited by 434 publications
(940 citation statements)
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“…12 jointly with the two alternative models (M1) and (M2) presented in Section 2. In all cases, we employ the methodology devised by Robinson (1994). This is a Lagrange multiplier (LM) method that uses a Whittle Robinson 1997Robinson , 2001Gil-Alana 2004).…”
Section: The Empirical Resultsmentioning
confidence: 99%
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“…12 jointly with the two alternative models (M1) and (M2) presented in Section 2. In all cases, we employ the methodology devised by Robinson (1994). This is a Lagrange multiplier (LM) method that uses a Whittle Robinson 1997Robinson , 2001Gil-Alana 2004).…”
Section: The Empirical Resultsmentioning
confidence: 99%
“…However, for the remaining series, this model is decisively rejected in favour of a long memory specification. 6 Note that though Robinson (1994) is a testing procedure, we may also use it as an estimation method by choosing the value of d (or d s ) that produces the lowest statistic in absolute value for a range of d-(d s ) values. Moreover, the estimation of the time trend coefficients is based on standard OLS/GLS methods since under the null hypothesis the model is supposed to be I(0) and thus well behaved.…”
Section: The Empirical Resultsmentioning
confidence: 99%
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“…The family of Lagrange Multiplier (LM) tests for fractional integration was introduced by Robinson (1991Robinson ( , 1994. Although dealing, under the null hypothesis, with possibly nonstationary time series fractionally integrated of order d 0 , only standard asymptotic distributions such as χ 2 apply.…”
Section: Introductionmentioning
confidence: 99%
“…Let y t , the observed process, be fractional white noise of order d. In order to test the null d = d 0 by means of the LM principle, one builds differences under the null hypothesis, x t = (1 − L) d 0 y t . Then, working in the frequency domain, Robinson (1994) derived the test statistic…”
Section: Introductionmentioning
confidence: 99%