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Expert Adjustments of Model Forecasts
Theory, Practice and Strategies for Improvement


  • Date Published: October 2014
  • availability: Available
  • format: Hardback
  • isbn: 9781107081598

£ 51.00

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About the Authors
  • To what extent should anybody who has to make model forecasts generated from detailed data analysis adjust their forecasts based on their own intuition? In this book, Philip Hans Franses, one of Europe's leading econometricians, presents the notion that many publicly available forecasts have experienced an 'expert's touch', and questions whether this type of intervention is useful and if a lighter adjustment would be more beneficial. Covering an extensive research area, this accessible book brings together current theoretical insights and new empirical results to examine expert adjustment from an econometric perspective. The author's analysis is based on a range of real forecasts and the datasets upon which the forecasters relied. The various motivations behind experts' modifications are considered, and guidelines for creating more useful and reliable adjusted forecasts are suggested. This book will appeal to academics and practitioners with an interest in forecasting methodology.

    • Presents an econometric perspective on expert adjustment - the notion that many forecasters adjust model forecasts based on their own intuition
    • Brings together current literature, recent theoretical insights and new empirical results
    • The discussion is based on a range of real forecasts and the datasets upon which the forecasters relied
    • Provides a step-by-step discussion of the key arguments, with the conclusion that expert adjustment of model forecasts can be very beneficial, but that it should be properly done
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    Reviews & endorsements

    'All economic and business forecasting involves judgment to some extent, but most books focus on the application of statistical methods. At last we have a book that directly addresses the role of judgment in forecasting and applies a set of rigorous methods to assess its potential strengths and limitations.' Paul Goodwin, Emeritus Professor, University of Bath

    'This monograph is an important substantial analysis of a crucial aspect of forecasting practice that is often treated far too casually. Expert interventions on model-based forecasts are ubiquitous, but rarely subject to formal analysis. This book will be valuable in practice and a stimulus to researchers.' Derek Bunn, London Business School

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    Product details

    • Date Published: October 2014
    • format: Hardback
    • isbn: 9781107081598
    • length: 144 pages
    • dimensions: 229 x 10 x 152 mm
    • weight: 0.37kg
    • contains: 9 b/w illus. 18 tables
    • availability: Available
  • Table of Contents

    1. Introduction
    2. Optimal behavior of experts
    3. Observed behavior of experts
    4. How accurate are expert-adjusted forecasts?
    5. How can forecasts be improved?
    6. Conclusion, limitations and implications
    Data appendix

  • Author

    Philip Hans Franses, Erasmus Universiteit Rotterdam
    Philip Hans Franses is Professor of Applied Econometrics and Professor of Marketing Research at the Erasmus University Rotterdam. Since 2006 he has served as the Dean of the Erasmus School of Economics. His research interests concern the development and application of econometric methods for problems in marketing, finance and macroeconomics.

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