Two books shed light on the thinking of the economist, who died on August 20, 2023, at the age of 70. Daniel Cohen seemed like a UFO in the stuffy world of those who think about economics.

He saw his discipline as a social science more than anything else. To put it another way, the former economics professor at the École Normale Supérieure on rue d'Ulm was a “ great economics general practitioner ”, says his brother Michel.