As far as achievable, that is not an assumption, it is a conclusion of the Job Guarantee plus Balanced Trade analysis. I've been accused of being a Marxist, yet while Harpo's my favourite, it's Groucho I'm always quoting. Odd, that.
And risk aversion is not just a personality trait: in the absence of a social safety net the downside risk can be quite scary. We have met the enemy, and he is us — Pogo
