Are we still talking about this? Within months of the book’s release, readers had found many examples where his data selections had been incomplete. To the extent that the main points were invalidated or made far less convincing. When you include the full data in his analysis, the main conclusions are drawn into question. There are many very thorough blog posts by economists you can easily Google.

It’d be like if Origin of Species came out, but evolution was actually wrong, and Darwin had only seemed right at first because he left out the species that didn’t fit his model.

I don’t think Piketty did this on purpose, by the way. He just didn’t push hard enough on the data that he didn’t want to find fault with.