The essential ingredient for "complexity" to yield vulnerability is interdependence. In the existing economy all variables are interdependent. That makes all of it vulnerable to any change in any variable.
I have found a way to make the supply of money for the economy exogenous--independent of any other economic variable. With that monetary paradigm in place all of us could face the other problems inherent in situations like this with zero (additional) worry about our finances.
"For Crying Out Loud, ACCEPT That A SOLUTION Actually EXISTS" (a "3 min read"--including options for further reading--here in Medium)