The issue with is that if you substitute social norms with money; it is hard to return to social norms later<p>I.e.,  if you start paying; you have to continue paying.<p>Predictably Irrational <a href="http:&#x2F;&#x2F;whistlinginthewind.org&#x2F;2013&#x2F;01&#x2F;15&#x2F;predictably-irrational-chapter-4-the-cost-of-social-norms&#x2F;" rel="nofollow">http:&#x2F;&#x2F;whistlinginthewind.org&#x2F;2013&#x2F;01&#x2F;15&#x2F;predictably-irratio...</a>