Economists often evaluate a theory in terms of how consistently and accurately it
predicts what happens.Implicit in this position is the belief that
a. if the theory’s predictions are consistently accurate, then there is a fairly good chance
that the theory is a good explanation of how things work.
b. if the theory’s predictions are consistently accurate, then there is a fairly good chance
that the theory will be accepted by others.
c. if the theory’s predictions are consistently accurate, then there is a fairly good chance
thatthe theory’s assumptions (even if they initially seem unrealistic) capture something
that is essential to explaining what it is that the theory is trying to explain.
d. all of the above
Which piece of evidence is consistent with zero crowding out?
a. Government purchases rise and Real GDP does not change.
b. Government purchases rise and investment spending declines.
c. Government purchases rise and net exports decline.
d. Government purchases rise and consumption declines.
e. none of the above