We evaluate the relationship between competition and innovation in an industry where production is polluting and R&D has the aim to reduce emissions. We build up an oligopoly model where n firms compete in quantities and decide their investment in green R&D. When environmental taxation is...

This paper applies a fuzzy regression discontinuity design to study the effects of ADSL broadband internet on the performance of firms. We exploit a geographical discontinuity in the availability of ADSL broadband, firms located one side of the divide had access to broadband services that those...