Mike Munger proposes Euvoluntary for the kind of transaction you're alluding to:...

		icebraining on July 18, 2014 \| parent \| context \| favorite \| on: Rhode Island unintentionally decriminalized indoor... Mike Munger proposes Euvoluntary for the kind of transaction you're alluding to: http://www.econtalk.org/archives/2011/06/munger_on_excha.htm...