It is with profound sadness that we publish Tiago Pires’s paper. Tiago passed away before he could see his job-market paper in print. The paper had been conditionally accepted by co-editor Wesley Hartmann at the time of his passing. QME is very grateful to Prof. Stephan Seiler of Stanford University who has provided the comments to follow on the paper. Also thanks to Brian McManus at the University of North Carolina at Chapel Hill and Javier Donna at the Ohio State University for helping with the final edits to the paper and for moving it towards publication. Aviv Nevo, Tiago’s advisor, and himself a member of the QME community has the following to say about Tiago.

Aviv Nevo’s tribute: When thinking about Tiago the first things that come to mind are his big smile, unbounded energy and his infectious positive attitude. When Tiago was a graduate student we would meet almost every week to discuss his work. A big part of these meetings is to make sure the student stays positive and feels better about his/her research. Somehow with Tiago I felt the roles were reversed. It was him that generated the positive energy. Interacting with him made you feel better and left you with a smile.

This is also the can-do attitude that he brought to his research. No problem was too hard and every question was just waiting for the right perspective. His job market paper, presented here, is a great example of this attitude. As Stephan Seiler describes, it is an important contribution that marries several literatures. But this was just the start of his potential. It is the loss of our profession, and the field of quantitative marketing and economics, that we will not get to see what additional research Tiago would have produced.

Tiago will be greatly missed but he will not be forgotten.