We propose a new and simple methodology to estimate the loss function associated with experts' forecasts. Under the assumption of conditional normality of the data and the forecast distribution, the asymmetry parameter of the lin-lin and linex loss function can easily be estimated using a linear...

Experts can rely on statistical model forecasts when creating their own forecasts. Usually it is not known what experts actually do. In this paper we focus on three questions, which we try to answer given the availability of expert forecasts and model forecasts. First, is the expert forecast...

We analyze the behavior of experts who quote forecasts for monthly SKU-level sales data where we compare data before and after the moment that experts received different kinds of feedback on their behavior. We have data for 21 experts located in as many countries who make SKU-level forecasts for...

Weihnachtsgeschenke führen nicht nur zu strahlenden Kinderaugen, sondern auch zu bedeutenden Umsatzsteigerungen im Einzelhandel. In diesem Artikel wird die Bedeutung des Weihnachtsgeschäftes für den deutschen Einzelhandel dargestellt und mit den europäischen Nachbarn verglichen. Besonders...