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文章基本信息

  • 标题:A Note on the Use of a Logarithmic Time Trend
  • 本地全文:下载
  • 作者:Watts, Geof ; Quiggin, John C.
  • 期刊名称:Journal of Agribusiness
  • 印刷版ISSN:0738-8950
  • 出版年度:1984
  • 页码:91-99
  • 出版社:Journal of Agribusiness
  • 摘要:It is shown that parameter estimates in a regression with a logarithmic time trend are not invariant to the choice of the starting point of that time trend. Possible solutions to this problem are discussed and applied to data from a recent article in this Review where a logarithmic time trend was included. It is suggested that the appropriate course is either to estimate the starting date directly or to adopt a functional form invariant to the choice of starting date.
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