Both those who favor an active approach as well as those who favor a passive approach to policy believe that the economy can suffer from extreme and long-lasting swings in real GDP

In a multiple regression problem involving two independent variables, if b1 is computed to be +2.0, it means that:

A) the relationship between X1 and Y is significant. B) the estimated value of Y increases by an average of 2 units for each increase of 1 unit of X1, holding X2 constant. C) the estimated value of Y increases by an average of 2 units for each increase of 1 unit of X1, without regard to X2. D) the estimated average value of Y is 2 when X1 equals zero.

Starting from long-run equilibrium, an increase in autonomous investment results in ________ output in the short run and ________ output in the long run.

A. lower; potential B. higher; higher C. lower; higher D. higher; potential