That falls under tapping underutilized labor pools. You're trying to take someone not working and convincing them to work.
There's about 8% slack in labor-force participation to late-nineties peaks [1]. But per the article, some of that is retirement. It's not a long-term solution to rely on paying retirees to come back into the workforce.
When an individual company (or state) faces a shortage of workers, it's often due to pay. Idaho should pay its nurses more. When an entire economy faces a shortage, it's something more structural.
