One name for this evaluation of birds in hands versus birds in bushes is chronemetics...
http://en.m.wikipedia.org/wiki/Chronemics
Here is a possible example: a Wall Street Journal map of who in New York buys monthly public transit passes (more expensive up front) versus who buys day passes (more expensive over all)...
http://graphicsweb.wsj.com/documents/MTAFARES1108/#v=showCommuters
One name for this evaluation of birds in hands versus birds in bushes is chronemetics...
http://en.m.wikipedia.org/wiki/Chronemics
Here is a possible example: a Wall Street Journal map of who in New York buys monthly public transit passes (more expensive up front) versus who buys day passes (more expensive over all)...
http://graphicsweb.wsj.com/documents/MTAFARES1108/#v=showCommuters