I meant more in the sense of established industry players using licensing (or even worse, federal regulation) to lock out newcomers. Examples include the lumber industry (which used Congress to keep plastic studs and beams from becoming an option in the U.S.) or the AMA (which has had it in for chiropractors for years).
Re: economists and chabicheu du poitou lovers want to know
I meant more in the sense of established industry players using licensing (or even worse, federal regulation) to lock out newcomers. Examples include the lumber industry (which used Congress to keep plastic studs and beams from becoming an option in the U.S.) or the AMA (which has had it in for chiropractors for years).