[finish9]

since the questions are from a liberal text book and has nothing to do with reality and the central answer thread is education, then I postulate b,a,c.

[Paul46360]

The author is N. Gregory Mankiw.
Not too liberal..does give an positive nod to Keynes economics, but nothing that would cause a thinking person to accept.
I posted on the class site a video disputing the theory..sadly no debate about it, but I do sense that the other students due understand the risks of tax and spend which is all we can hope for..