But let's say that's just not how the world is, envy is certainly a very real human emotion. What level of inequality is necessary to cause broad social unrest? Do we have anything close to a situation like in Venezuela?
It is really cool how you are telling me to do the legwork and make your argument for you. Definitely productive.
I'll repeat what i said before, anticipating exactly this line: You might have a moral or aesthetic preference that humans should not respond to inequality that way, but that is no more meaningful than a belief that they should not adversely react to oxygen deprivation.
> It is really cool how you are telling me to do the legwork and make your argument for you.
If you need a simple starting point that is freely available online, Income Satisfaction and Relative Deprivation: An Empirical Link, D’Ambrosio, C. & Frick, J.R. Soc Indic Res (2007) 81: 497. https://www.researchgate.net/profile/Conchita_DAmbrosio/publ...
But it's a big area of research, and if you are genuinely unfamiliar with it and concerned at all with economic development and related public policy, you are going to want to spend some time with the area