2016
DOI: 10.2139/ssrn.2882101
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Testing for Unit Roots in Autoregressive-Moving Average Models of Unknown Order: Critical Comments

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Cited by 4 publications
(2 citation statements)
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“…We begin with Granger's and Newbold's (1974) concern over the nonstationary data and the spurious models they produce. We test their stationarity with the ADF (Said and Dickey 1984) test and the Phillips and Perron (1988) test. We find that our data are stationary at their first differences and not at levels.…”
Section: Asymmetric Price Transmissionmentioning
confidence: 99%
See 1 more Smart Citation
“…We begin with Granger's and Newbold's (1974) concern over the nonstationary data and the spurious models they produce. We test their stationarity with the ADF (Said and Dickey 1984) test and the Phillips and Perron (1988) test. We find that our data are stationary at their first differences and not at levels.…”
Section: Asymmetric Price Transmissionmentioning
confidence: 99%
“…The positive skewness means that our data's distribution has a long right tail. Kurtosis is over 3 (of the normal distribution), and as a result is peaked (leptokurtic).Our data are tested for stationarity with the ADF(Said and Dickey 1984) and theZivot and Andrews (1992) tests. The last test allows for one structural break.…”
mentioning
confidence: 99%