Powers of attorney are often interpreted as evidence of trust among the parties involved, and as such, of the existence of personal links between principals and their proxies. We build a novel dataset of notarized powers of attorney capturing a wide variety of agency relationships in four large...

You recently published a book about the sociology of prices. How did you come to this topic and why did you want to write a book about it? During our respective doctoral research, we were both concerned with prices and we started to exchange ideas on this issue. [...] From two different fields,...