Couples match

The University of Alabama at Birmingham magazine (June 2010) writes about the couples match: Match Making--Software Helps Medical Couples Stay Together

(Here's a paper with a more technical description of how the couples match works...

Roth, A. E. and Elliott Peranson, "The Redesign of the Matching Market for American Physicians: Some Engineering Aspects of Economic Design," American Economic Review, 89, 4, September, 1999, 748-780.,

and here's a paper that's about why it works as well as it does...

Kojima, Fuhito, Parag A. Pathak, and Alvin E. Roth, " Matching with Couples: Stability and Incentives in Large Markets," working paper, April 8 2010.)