Consensus Forecasts and Inefficient Information Aggregation /

Consensus forecasts are inefficient, over-weighting older information already in the public domain at the expense of new private information, when individual forecasters have different information sets. Using a cross-country panel of growth forecasts and new methodological insights, this paper finds...

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Detalles Bibliográficos
Autor Principal: Crowe, Christopher
Formato: Revista
Idioma:English
Publicado: Washington, D.C. : International Monetary Fund, 2010.
Series:IMF Working Papers; Working Paper ; No. 2010/178
Subjects:
Acceso en liña:Full text available on IMF
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520 3 |a Consensus forecasts are inefficient, over-weighting older information already in the public domain at the expense of new private information, when individual forecasters have different information sets. Using a cross-country panel of growth forecasts and new methodological insights, this paper finds that: consensus forecasts are inefficient as predicted; this is not due to individual forecaster irrationality; forecasters appear unaware of this inefficiency; and a simple adjustment reduces forecast errors by 5 percent. Similar results are found using US nominal GDP forecasts. The paper also discusses the result's implications for users of forecaster surveys and for the literature on information aggregation. 
538 |a Mode of access: Internet 
650 7 |a Consensus Forecasts  |2 imf 
650 7 |a Information Aggregation  |2 imf 
650 7 |a Math  |2 imf 
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