" Faced with complicated choices like this, many parents understandably played it safe. About 80 percent of the children were assigned to the school that their parents had listed first. On paper, the system looked hugely successful, with most participants appearing to have received their first choices. But the reality was very different: many of those parents were simply getting safe, strategic choices. "

― Alvin E. Roth , Who Gets What — and Why: The New Economics of Matchmaking and Market Design