Final answer:
The best method for putting forecast errors into perspective is MAD (Mean Absolute Deviation), which measures the average magnitude of the errors in a forecast.
Step-by-step explanation:
The best method for putting forecast errors into perspective is MAD (Mean Absolute Deviation). MAD is a measure of the average magnitude of the errors in a forecast. It provides a straightforward and easily interpretable measure of forecast accuracy. By calculating the MAD, the economist can assess how well his model matched what actually happened in the stock market.