Randomista

He is against “one-size-fits-all” policy rules and favors experimentation, but he is skeptical of the experimental claims by the “randomistas.”

'If we don't know whether we are doing any good, then we are not any better than the medieval doctors and their leeches,' says Esther Duflo, a leading randomista.

But Charles Peirce, the brilliant randomista who helped kickstart the field, would spend his final two decades unable to afford to heat his house, subsisting on bread donated by the local baker, and writing on the back of old manuscripts because he was too poor to buy paper.