Forecast Errors from the Simple Keynesian Consumption Function, While Less

Multiple Choice

Forecast errors from the simple Keynesian consumption function, while less than $65 billion or 3 percent) in either direction,

A) are really quite large for forecasting and policy purposes.
B) are really quite small for forecasting and policy purposes.
C) can result from swings in confidence or changes in tax policy.
D) both a and b.
E) both a and c.