A couple may try to go the independent adoption route, but this route is haphazard and disorganized, and information about babies available for adoption through it is hard to come by. Some states, moreover, have outlawed independent adoptions. 6 It goes without saying that both adoption through an agency and independent adoption favor the wealthy and well connected. The final alternative is the black market, a form of independent adoption. The black market is by definition illegal, 7 and illegality forces price up and quality down and makes prospective buyers uneasy. Long queues, shortages, uncertain quality, a black market — these are the classic symptoms of excess demand, whether in the baby market or the Soviet food market.
67 B.U.L. Rev. 59, 62 (also here)
The above is a quote from a 1987 law review article by Judge Richard Posner, discussing and defending his position on taking a market approach to adoptions. In this article, as well as at least one earlier one, he argues: