Spending by tourists represents the largest voluntary transfer of wealth in the world. (sciencedaily.com)
In 2010 - 11 and 2011 - 12, most principals were satisfied with both the process and the timeline of hiring voluntary transfers (see Figure 2). (cepa.stanford.edu)
Figure 2 — To what extent are you satisfied with the process and timeline for hiring voluntary transfers? (cepa.stanford.edu)