Which Summary Measure for Forecast Errors Does Not Depend on the Units

question 94

Multiple Choice

Which summary measure for forecast errors does not depend on the units of the forecast variable?

• A)MAE (mean absolute error)
• B)MFE (mean forecast error)
• C)RMSE (root mean square error)
• D)MAPE (mean absolute percentage error)

---

Definitions:

Asymmetric Information Problems

Situations where one party in a transaction has more or superior information compared to another, leading to market inefficiencies.

Horizontally Integrated Firms

refers to companies that expand by acquiring or merging with other firms operating at the same level in the supply chain or in the same industry.

Vertically Integrated Firms

Companies that control multiple stages of production for their products, from raw materials to final goods, to reduce costs and increase efficiency.

Principal-Agent Problem

This issue arises when there is a conflict of interest between a principal (who delegates authority) and an agent (who performs tasks), typically due to differing goals or asymmetrical information.