[j1vms]

> economists think that we need central bank policies to control the whole thing (...) but it just doesn't work in the long run.

Roughly speaking, a central authority might work in certain scenarios, for a short time, to prevent situations where market participants might otherwise panic.

In the long run, the problem is the same authority does not have to all "local", decision-making information available to the individual market participants, and that might prevent the economy from reaching an optimal configuration.