The "except as a punishment for crime" is why we have prison labor at all, isn't it? There's enough (exceptionally cheap) prison labor that local (county level)

The "except as a punishment for crime" is why we have prison labor at all, isn't it? There's enough (exceptionally cheap) prison labor that local (county level) effects are measurable: https://www.ineteconomics.org/perspectives/blog/the-lasting-harm-of-convict-labor https://www.ineteconomics.org/perspectives/blog/the-lasting-...