Abstract
Demand planning is informed by demand forecasts, service level requirements, replenishment constraints, and revenue projections. “Demand forecasts” differ from “demand plans” in that forecasts only represent the distribution (or the most likely value) of product demand. Motivated by common forecasting practices in industry, our research examines whether forecasters recognize this difference between demand forecasts and demand plans. Based on a lab experiment informed by data from two large FMCG companies, we found that forecasters factor service levels into their demand forecasts, even when they are clearly instructed to predict the most likely demand and incentivized to minimize the forecast error. We establish that this result holds for students and practitioners alike, and show that this behavior is driven by the service level information, and not some other anchor. We use data from a recent industry survey to support the external validity of our key findings.
| Original language | English |
|---|---|
| Pages (from-to) | 856-871 |
| Number of pages | 16 |
| Journal | Journal of Operations Management |
| Volume | 69 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - Jul 2023 |
Funding
Open access publishing facilitated by The University of Sydney, as part of the Wiley - The University of Sydney agreement via the Council of Australian University Librarians.
| Funders |
|---|
| University of Sydney |
Keywords
- anchor
- behavior
- forecasting
- judgment
- sales and operations planning
- service level
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