You're right about the "perceived value" of an object theory.  One nice outfall
of this is that you often generate more revenue than you needed ot cover the
cost of the production..  With the "extra", it is common to then sponsor school
groups or others who would not otherwise have the opportunity to attend the
event. If you play around with the figures enough you can often come up with
enough to cover admission, transportation and even guest lecturers.  It's one
tool for broadening the access to a collecti