Navel gazing: Academic inbreeding and scientific productivity

Hugo Horta, Francisco Veloso & Rocio Grediaga
The practice of having PhDs employed by the university that trained them, commonly called "academic inbreeding" has long been assumed to have a damaging effect on scholarly practices and achievement. Despite this perception, existing work on academic inbreeding is scarce and mostly descriptive or speculative. In this research we show, first, that academic inbreeding can be damaging to scholarly output. Our estimates suggest that academically inbred faculty generate on average 15% less peer reviewed publications...
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