[imtringued]

>Eg. on why any amount of money is always sufficient for any society (assuming it has at least enough precision for the basic needs of the agents).

Until the interest rate on capital falls negative and people start wars. Austrian economists start world wars for sport.

[swfsql]

Except that Austrian economists are not supportive of central banks and thus not supportive of negative interest rates?

On wars, it's quite the opposite: this is often supported or prolonged by a central bank monetary inflation, or governamental debt.