Still glowing in his Nobel Prize, Romer has just said, ‘any choice would be better than continued paralysis.’ (Bloomberg 18 Oct 2018)
He was referring to public investment. In a way, this is Albert Hirschman speaking. Five decades ago, the World Bank rejected Hirschman. Whatever the merits of that position, for five decades we have pretended to know the trajectory of return on investment. Can the world come to say, ‘we do not know‘ and proceed to invest? Cf.:
Article The Principle of the Hiding Hand
Preprint Public-Private Partnerships (PPP) in Africa: Harking the Holonomic