Top notch overview of this concept over at ellisnelson.com. Kudos!
…Ronald Inglehart developed the idea of post materialism in the 1970s as a sociological theory to explain an ongoing transformation of individual values within a society. He argued that as western nations achieved a level of economic prosperity and physical security, its members transformed their values seeking more autonomy and self-expression. Ah, this sounds a lot like Maslow’s hierarchy of needs. As people meet their basic survival requirements, we move up the pyramid until we are striving for self-actualization. Maslow confined his theory to how individuals are transformed and Inglehart wanted to see how societies as a whole might be transformed…