15 To evaluate forecasting performance of a model or compare
15. To evaluate forecasting performance of a model or compare relative performance of two
models, examine
a. contingency forecasts
b. conditional forecasts
c. ex ante forecasts
d. ex post forecasts
e. all of these
16. Conditional forecasting occurs whenever we do not know with certainty the future
a. value of one (or more) independent variables
b. value of the dependent variable being forecast
c. equation fit from the estimation period data
d. model itself
e. any of these result in conditional forecasting
17. A lumber mill forecasts costs for 3 alternative market scenarios: high, low, and unchanged
prices. These are
a. contingency forecasts
b. conditional forecasts
c. ex ante forecasts
d. ex post forecasts
e. all of these
18. Which of the following does not involve a limited estimation period sample for fitting a
forecasting model?
a. annual airline profits of the deregulated industry
b. annual AT&T revenues after \"Ma Bell\" breakup
c. annual amount of aluminum cans recycled
d. annual sales of video camcorders
e. all of these involve limited sample size
Solution
15
Ex post forcast
16
Value of one (or more) independent variables
17
Contingency forecasts
18
All involve limited sample size

