Scott H Young  Why Good Deeds and Money Don’t Mix   Would you
rather serve soup at a homeless shelter for free, or for $2 per
hour?  If you’re in a country with a high minimum wage like
Canada, you would probably rather volunteer.  For the same
reasons, your mother-in-law would be offended if you offered to
pay her $20 for making a family dinner.  I think most people
intuitively understand this, but until recently I hadn’t heard
of a good concept to describe why this happens.  I recently had
a chance to read Dan Ariely’s bestselling book, Predictably
Irrational.  Ariely is a behavioral economist at MIT, and the
book is a great introduction to the area of human biases, or the
non-random stupid mistakes people make.  Although the book
covers a number of irrational mistakes, by far the most
interesting chapter is Ariely’s description of how we have two
different, yet equally powerful, sets of rules in our head for
how to behave.  Social and Market Norms  It seems that people
have two powerful, but completely sep