Keiko Ito, Kenta Ikeuchi, Chiara Criscuolo, Jonathan Timmis, Antonin Bergeaud, 23 April 2020

Interconnectedness and relative position in global production networks is an important factor for modern economies. In recent years, Japanese firms have lost their relative influence within the regional value chain. This column analyses the relationship between measures of network centrality and firm innovation output. It finds that having access to a greater breadth of customers is positively related to innovative activities, measured by patent applications. The results suggest an important role of knowledge spillovers from foreign markets.

Co-Pierre Georg, Michael E. Rose, 16 January 2016

Informal collaboration is an integral part of academia. Studies of academic collaboration have mostly focused on formal collaboration, as measured by co-authorships. This column instead constructs a network of informal collaboration in financial economics, exploiting acknowledgements of assistance appearing in published papers. Three rankings of financial economists are constructed based on acknowledgement occurrence and centrality. Being helpful is not found to predict centrality in the informal collaboration network.


CEPR Policy Research