Score contribution per author:
α: calibrated so average coauthorship-adjusted count equals average raw count
type="main" xml:id="ecin12167-abs-0001"> <p xml:id="ecin12167-para-0001"><fi>We explore the phenomenon of coauthorship by economists who share a surname. Prior research has included at most three economist coauthors who share a surname. Ours is the first paper to have four economist coauthors who share a surname, as well as the first where such coauthors are unrelated by marriage, blood, or current campus.</fi> (<fi>JEL</fi> Y9)