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Evaluating current-year forecasts made during the year: a Japanese example

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  • H. O. Stekler
  • Kazuta Sakamoto

Abstract

Forecasts for the current year that are made sometime during the current year are not true annual forecasts because they include already known information for the early part of the year. The current methodology that evaluates these 'forecasts' does not take into account the known information. This article presents a methodology for calculating an implicit forecast for the latter part of a year conditional on the known information. We then apply the procedure to Japanese forecasts for 1988-2003 and analyse some of the characteristics of those predictions.

Suggested Citation

  • H. O. Stekler & Kazuta Sakamoto, 2010. "Evaluating current-year forecasts made during the year: a Japanese example," Applied Economics Letters, Taylor & Francis Journals, vol. 17(7), pages 673-676.
    • Handle: RePEc:taf:apeclt:v:17:y:2010:i:7:p:673-676
    DOI: 10.1080/13504850802297848
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    1. Masahiro Ashiya, 2007. "Consensus and accuracy of Japanese GDP forecasts," Applied Economics Letters, Taylor & Francis Journals, vol. 14(13), pages 969-974.
    2. Kolb, R. A. & Stekler, H. O., 1996. "Is there a consensus among financial forecasters?," International Journal of Forecasting, Elsevier, vol. 12(4), pages 455-464, December.
    3. Ashiya, Masahiro, 2006. "Forecast accuracy and product differentiation of Japanese Institutional Forecasters," International Journal of Forecasting, Elsevier, vol. 22(2), pages 395-401.
    4. Holden, K & Peel, D A, 1990. "On Testing for Unbiasedness and Efficiency of Forecasts," The Manchester School of Economic & Social Studies, University of Manchester, vol. 58(2), pages 120-127, June.
    5. Schnader, M. H. & Stekler, H. O., 1991. "Do consensus forecasts exist?," International Journal of Forecasting, Elsevier, vol. 7(2), pages 165-170, August.
    6. Ashiya, Masahiro, 2003. "Testing the rationality of Japanese GDP forecasts: the sign of forecast revision matters," Journal of Economic Behavior & Organization, Elsevier, vol. 50(2), pages 263-269, February.
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    More about this item

    JEL classification:

    • E37 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Forecasting and Simulation: Models and Applications

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