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Trends and Random Walks in Macroeconomic Time Series: Further Evidence From a New Approach


  • Perron, P.


This Paper Presents a Summary of Recent Work on a New Methodology to Test for the Presence of a Unit Root in Univariate Time Series Models. the Stochastic Framework Is Quite General. While the Dickey-Fuller Approach Accounts for the Autocorrelation of the First-Differences of a Serie in a Paremetric Fashion by Estimating Additional Nuisance Parameters, This New Approach Deals with This Phenomenon in a Nonparametric Way. We Apply These New Tests to Reassess Recent Findings on the Behavior of Common Macroeconomic Time Series, Including the Various Series Studies by Nelson and Plosser (1982).

Suggested Citation

  • Perron, P., 1986. "Trends and Random Walks in Macroeconomic Time Series: Further Evidence From a New Approach," Cahiers de recherche 8650, Universite de Montreal, Departement de sciences economiques.
  • Handle: RePEc:mtl:montde:8650

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