Do you have a comment or a question for Jon?
Email him at: jon@happyways.com
The Motivation-Hygene Theory:
https://en.wikipedia.org/wiki/Two-factor_theory
Maslow and his hirarcy of needs: https://en.wikipedia.org/wiki/Maslow%27s_hierarchy_of_needs
Mayo and the Hawthorne Studies: https://en.wikipedia.org/wiki/Elton_Mayo#Hawthorne_Studies
Book recommendation:
Happy Money: The science of happier spending, by Elizabeth Dunn and Michael Norton
http://www.amazon.com/Happy-Money-Science-Happier-Spending/dp/1451665075