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Quick Econ Thoughts on Licensing

This was going to be a comment on Blackadder’s post which has turned into a discussion on licensing and whether it raises prices, but since I only have time to write out one thought process today I thought I’d turn it into a post.

Most folks outside economics see licensing as a way of legally certifying duties and providing a means of redress when incompetence occurs. Not only does a plumber who consistently allows sewer gases to enter a home get sanctioned civilly, he can be sanctioned by license loss and prevented from harming other households.

Let’s try two examples on our theoretical plumber here:

1) Say that we have a local economy in which licensing is not mandatory. If I want some plumbing done, I have several options: I could open up the phone book, call around, and hire the absolute cheapest guy who says he’s willing to give plumbing a job. He may do a terrible job, and set sewage to run through my ice maker.

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