
Paul Krugman was my PhD advisor when I was a graduate student at Princeton. I first got to know him (in person) when he taught me the PhD course on international trade. I had many lively conversations with him in class, which inspired me to seek him out as my thesis supervisor. He accepted my request. However, given his status as a columnist for the New York Times and public intellectual, he was scarce on time. People often ask me what it was like having him as an advisor. Although he has a reputation in the profession as someone that can be abrasive and confrontational (especially with people with whom he disagrees), he was always nice to me. It was a routine when we met at his office for him to rifle through the many books sent to him for his critique and comments, and he would pass many of them on to me -- including copies of his own books. As a mind, he was amazingly brilliant and able to offer insights and solutions to problems in a matter of seconds, when I had struggled for days or weeks on them. Regardless of anyone’s opinions about his politics, the…