However, the problem lies with the experiment. How much money needs to be injected into the economy? How long after the injection are we going to measure? What happens if I inject only $1 into the economy? Will there be a depression? What if I inject $100,000?..
Enough for the boom caused by the expansion to be generally accepted as a “boom”. That’s the p in p->q.
As for what generally accepted is, although there is no clear cutoff point, there are however plenty of cases that most people would consider as generally accepted.
…incredible precision. This cannot happen with economics. We can only make general statements.
But those general statements can be proven and disproven.