Christian Catalini, Christian Fons-Rosen, Patrick Gaulé, 16 July 2016

Scientific research is increasingly the product of collaborations between researchers. One driver of this trend over the last half century has been falling communication costs. This column uses data on faculty members of chemistry departments in the US to explore whether the reduction in air travel costs over the last three decades has had a similar effect on scientific collaboration. The introduction of a low-cost carrier route is associated with a 50% increase in collaborations between researchers.

Ali Önder, Hakan Yilmazkuday, 04 June 2016

North American economics departments produce a substantial amount of economics PhDs, and these PhDs are responsible for a disproportionately large share of research published in top academic journals. This column provides an overview of 35 years of peer-reviewed publications by North American economics PhDs. Since 1980, the size of author teams grown and female representation steadily improved. The shares of the major research fields show relatively little variation, though international economics, development economics, and finance are exceptions to this.

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