[USA] The Flip Side of the Migration Coin : An Overview / New Global Initiatives, February 2007
PDF - http://www.migrationflip.com/SummaryReport.pdf
"Global migration is an important factor today and will grow in importance in years to come. The participation of Americans in global migration is one aspect that has gone without receiving attention, as is true of many of the traditional “wealthy” nations who also participate in this global process without receiving more than passing notice. It may be the “flip side” of the migration coin, but it is still part of the same coin."