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The hiring of "star" professors -- defined by their research output -- results in improvement in the research productivity of the departments they join, according a study published Monday by the National Bureau of Economic Research, The study (available to subscribers; abstract available here), by scholars at the University of Toronto, Georgia Institute of Technology, and National University of Ireland, Galway, finds that the recruitment of research stars does nothing to lift the productivity of those already in the department (and actually leads to reduced productivity of some of them). But the productivity of researchers who join the department after a star joins increases significantly -- for scholars who work in related and unrelated fields alike. The study finds that the effects are most pronounced at mid-ranked institutions.
