Does GNP have a unit root?

James H. Stock, Mark W. Watson

Research output: Contribution to journalArticlepeer-review

55 Scopus citations


The Nelson-Plosser finding of a unit root in real U.S. GNP is re-examined using additional data sets and a new statistical test The new statistical test carries out a non-parametric correction for serial correlation.

Original languageEnglish (US)
Pages (from-to)147-151
Number of pages5
JournalEconomics Letters
Issue number2-3
StatePublished - 1986
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Finance
  • Economics and Econometrics


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