Well, that's a silly question. The answer is simple: "change the system."
There are enough parameters in "the system" that we should be able to change almost any single one of them and get some improvement in employment numbers. Change wages, change education levels, change the scale of industrialization, change the number of humans working, change laws surrounding mergers/acquisitions, etc.
The real struggle here is getting anyone to do any of these things consistently, and then measuring the results.
By doing blind changes you have much better chances of ruining the society in question. Blind evolution works, but it does so by killing most of its subjects by a painful death.
There are enough parameters in "the system" that we should be able to change almost any single one of them and get some improvement in employment numbers. Change wages, change education levels, change the scale of industrialization, change the number of humans working, change laws surrounding mergers/acquisitions, etc.
The real struggle here is getting anyone to do any of these things consistently, and then measuring the results.