There is something called "aggregate demand" which you adjust by pumping in fiscal and monetary expansion.
Sibley oversaw both the physical and fiscal expansion of the Harvard Library.
In Keynes's theory, there must be significant slack in the labour market before fiscal expansion is justified.
"The textbook solution to a liquidity trap is a fiscal expansion, and there's every reason to think that would work."
In a situation of low demand and deflation, he said, "before too long, enough political pressure would build up for a big fiscal expansion."
In this case the effect of local fiscal expansion, for example, will fall on the 'imports' from other local economies.
Therefore, when foreign capital flows into the country undergoing fiscal expansion, demand for that country's currency increases.
The days of fiscal expansion would be back.
This is despite all the evidence pointing both to the need for massive fiscal expansion and that fear of deficits is entirely misplaced.
If there's a promise of a deregulatory effort, they can use fiscal expansion as a down payment.