We study the classical reallocation problem (Shapley and Scarf, 1974) and introduce a large class of exchange rules, each of which is strategy-proof, efficient, and individually rational on the domain of single-peaked preferences. These rules are generalizations of Gale’s top trading cycles:...

Background Federally qualified health centers (FQHCs) are integral to the U.S. healthcare safety net and uniquely situated in disadvantaged neighborhoods. The 2009 American Recovery and Reinvestment Act (ARRA) invested $2 billion in FQHC stimulus during the Great Recession; but it remains...