Eric Weinstein @EricRWeinstein
A4 Cont.: But even in the case of one Currency like the Dollar, economists don’t get the group issue. True COLAs are valued in an *infinite* dimensional non-commutative group called DIFF_0(R^+) equivalent to increasing differentiable functions from 0–>♾ reparameterizing ‘Utils’. — PolitiTweet.org