[eldavido]

The problem with licensure is that there are many markets where the number of licensed professionals is zero. My wife reminds me of this--she grew up in rural Idaho, where many things I take for granted (e.g. electricians, medical care) growing up in the Chicago suburbs, weren't available.

Let's consider the choices of a homeowner in this market, who needs electrical work done: (a) pay a licensed professional to travel into their market (expensive), (b) have someone unlicensed do the work (or DIY it), or (c) just don't do it.

This is why I think certification (not mandatory licensing) is the way to go. It's not clear that criminalizing economic activity when it's someone's only real choice--and there may be major health/safety hazards if the work isn't done--is beneficial.