The influence of product involvement and emotion on short-term product demand forecasting

Valeria Belvedere, Paul Goodwin

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


Sales forecasters in industries like fast-fashion face challenges posed by short and highly volatile sales time series. Computers can produce statistical forecasts, but these are often adjusted judgmentally to take into account factors such as market intelligence. We explore the effects of two potential influences on these adjustments: the forecaster’s involvement with the product category and their emotional reactions to particular products. Two forecasting experiments were conducted using data from a major Italian leather fashion goods producer. The participants’ judgmental adjustments tended to lower the forecast accuracy, but especially when the participants had strong preferences for particular products. This appeared to result from a false consensus effect. The most accurate forecasts were made when the participants had no knowledge of the product and only received time series information, though a high level of involvement with the product category also led to a greater accuracy.
Original languageEnglish
Pages (from-to)652-661
Number of pages9
JournalInternational Journal of Forecasting
Publication statusPublished - 2017


  • Judgmental forecasting
  • Sales forecasting


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