Identifying the impact of local firm concentration on individual firm performance is likely to produce a selection bias related to the positive effects of local concentration if agglomeration economies and natural advantages coincide. We overcome this problem by exploiting exogenous variation...

Identifying the impact of local firm concentration on individual firm performance is likely to produce a selection bias related to the positive effects of local concentration if agglomeration economies and natural advantages coincide. We overcome this problem by exploiting exogenous variation...

This paper investigates telecommunication operator investment in broadband infrastructure after local deregulation of the wholesale broadband access market. Using a panel dataset covering all 5,598 exchange areas in the United Kingdom, we exploit regional differences in deregulation following a...

Anita Dietrich, Florian Dorn, Clemens Fuest, ifo Institut, Daniel Gros, Giorgio Presidente und Philipp-Leo Mengel, Bocconi Universität, Mailand, vergleichen die EU-Innovationspolitik mit der in den USA. Investitionen in FuE in der EU und in Deutschland konzentrieren sich auf Sektoren, die als...