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A regression surprise resolved

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Author Info
Lillestøl, Jostein () (Dept. of Finance and Management Science, Norwegian School of Economics and Business Administration)
Andersson, Jonas () (Dept. of Finance and Management Science, Norwegian School of Economics and Business Administration)

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Abstract

In this note we explore the following surprising fact: In regression with trend and seasonality, the prediction risk is constant for all seasons of a new cycle, despite the fact that it increases with time when the seasons are left out. Awareness of this may be useful to both the practicing statistician and to teachers of statistics. The challenge of resolving the issue may also be given to students of statistics as a research project.

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File URL: http://www.nhh.no/Admin/Public/Download.aspx?file=/Files/Filer/institutter/for/dp/2008/1608.pdf
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Publisher Info
Paper provided by Department of Finance and Management Science, Norwegian School of Economics and Business Administration in its series Discussion Papers with number 2008/16.

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Length: 6 pages
Date of creation: 22 Sep 2008
Date of revision:
Handle: RePEc:hhs:nhhfms:2008_016

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Postal: NHH, Department of Finance and Management Science, Helleveien 30, N-5045 Bergen, Norway
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Related research
Keywords: Trend and seasonality; Prediction risk; Paradox;

Find related papers by JEL classification:
C25 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Discrete Regression and Qualitative Choice Models
C35 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Discrete Regression and Qualitative Choice Models

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This page was last updated on 2009-11-26.


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