A related point is that made by an earlier Nobel laureate, James Meade, in the "burden of the debt" debate: A policy with a given level of fiscal stimulus has a much different long-term impact depending on what the stimulus money is used for. In that light, spending borrowed money on improving infrastructure or strengthening tax enforcement has a lot to recommend it as compared with, say, funding military adventures or propping up unsupportable pension schemes.
Clarity about Austerity
A related point is that made by an earlier Nobel laureate, James Meade, in the "burden of the debt" debate: A policy with a given level of fiscal stimulus has a much different long-term impact depending on what the stimulus money is used for. In that light, spending borrowed money on improving infrastructure or strengthening tax enforcement has a lot to recommend it as compared with, say, funding military adventures or propping up unsupportable pension schemes.