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DF-GLS Test

The DF-GLS test, introduced by Elliott, Rothenberg, and Stock (1996), is a modified augmented Dickey-Fuller procedure that applies generalized least squares (GLS) detrending before the standard unit-root regression. By removing deterministic components under a local alternative rather than the null hypothesis, the test achieves near-optimal power for detecting stationarity in time series, making it the preferred unit-root test in applied econometrics when a trend or intercept is present.

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Dickey-Fuller GLS (ERS) Unit-Root Test

Rekodi ya mbinu ya kiajenda · hypothesis-test / econometrics

Elliott, G., Rothenberg, T. J., & Stock, J. H. (1996). Efficient tests for an autoregressive unit root. Econometrica, 64(4), 813–836. · DOI 10.2307/2171846

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Used in the same domainAugmented Dickey-Fuller Testmachine-suggested · Relational suggestion, not evidence.Taxonomic bucketERS Point-Optimal Testmachine-suggested · Relational suggestion, not evidence.Used in the same domainKPSS Testmachine-suggested · Relational suggestion, not evidence.