Micha Ghertner, who is far from a knee-jerk right-winger, and who is in my opinion one of the smartest bloggers out there, argues that prisoners should pay for their “room and board” while in prison:

Whatever your thoughts may be on charging wrongfully convicted prisoners for room and board, it makes even more sense to charge the guilty for their prison expenses. Why should taxpayers be forced to pay for other people’s crimes? Ideally, prisoners should be forced to work while in prison to pay off the costs of their confinement, rather than impose an additional burden upon them when they are released.

I’m of the opinion, based on my reading of David Friedman (whom I know Ghertner is familiar with), that inefficient punishments like imprisonment and execution should be expensive for the government. Otherwise, there’s too much incentive to just “lock ‘em up and throw away the key.” Ideally, the cost to the government of locking someone up should be exactly the same as the cost to the person being locked up. That way, the government will lock someone up only if the marginal benefit to society is greater than the cost to the person imprisoned.

This is especially true when a large portion of those imprisoned are being held for things that shouldn’t be crimes in the first place, such as drug crimes.

UPDATE: TChris at TalkLeft writes:

Every few months, it's worth remembering that your tax dollars are being spent to incarcerate Tommy Chong so that the Justice Department could send a message about pot pipes and bhongs.

It's a good thing imprisonment is so expensive to the taxpayers. Otherwise, there would be a lot more Tommy Chongs. (Link via Crooked Timber.)