Alessandro Iaria, Carlo Schwarz, Fabian Waldinger, 26 January 2018

Access to existing knowledge fuels basic scientific progress and is key to the development of new technologies. This column studies how the decline in scientific cooperation that occurred during and after WWI affected science and innovation. The interruption of international knowledge flows led to stark declines in both the volume and quality of scientific production. This points to the merits of opening up access to scientific journals and of discerning what constitutes frontier research.

Yuichi Ikeda, Hideaki Aoyama, Hiroshi Iyetomi, Takayuki Mizuno, Takaaki Ohnishi, Sakamoto Yohei , Tsutomu Watanabe, 22 July 2016

Econophysics is an emerging field applying theories and methods from physics to economic problems and data. This column explores the collective motions of trade and the effects of trade liberalisation, using global data from the past two decades. Econophysics methods reveal how business cycles synchronise, and how economic risk propagates throughout the global economic network. The results also highlight inherent problems of structural controllability that are induced during economic crises.

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