John Van Reenen, 19 July 2019

John Van Reenen discusses how 'superstar firms' such as Google and Apple have changed the global economy.

Guangyu Cao, Ginger Jin, Xi Weng, Li-An Zhou, 09 November 2018

Positive network effects may lead to winner-takes-all in some markets. The column analyses dockless bike-sharing in China to show instead how an incumbent can benefit from positive spillovers from a competitor’s entry. In the case of bike-sharing, consumers multi-home, the market exhibits positive network effects, and investment by two firms is more cost-efficient than investment by one. 

Events

CEPR Policy Research