Povertà: meglio molti esperimenti approssimativi o pochi precisi?

 Meglio molti esperimenti approssimativi o pochi precisi?There’s no problem here if you think that a large number of slightly biased studies are worse than a smaller number of unbiased and more precise studies. But I’m not sure that’s true. My bet is that it’s false. Meanwhile, the momentum of technical advance is pushing us in the direction of fewer studies... It’s only a slight exaggeration to say that one randomized trial on the shores of Lake Victoria in Kenya led some of the best development economists to argue we need to deworm the world. I make the same mistake all the time...