Whether it does more good than harm, says Eswar Prasad, depends on the world's dowdiest institutions - central banks - embracing change without losing control.
His own neighbour was Mrs. Vandeleur, one of his aunt's oldest friends, a perfect saint amongst women, but so dreadfully dowdy that she reminded one of a badly bound hymn-book.
And when a woman finds that out about her husband, she either becomes dreadfully dowdy, or wears very smart bonnets that some other woman's husband has to pay for.