literature as the “weak” and the “strong” version of the Porter hypothesis. Our “Green Innovation” model includes three types of … eco investments and non-eco R&D to explain differences in the incidence of innovation. Besides product and process … innovations we recognize eco-innovation as a separate type of innovation output. We explicitly model the potential synergies of …

This Paper develops a framework for testing discrete complementarities in innovation policy using European data on … obstacles to innovation. We propose a discrete test of supermodularity in innovation policy leading to a number of inequality … constraints. We apply our test to two types of innovation decisions: to innovate or not, and if so, by how much. We find that …

Community Innovation Survey (CIS) data for 14 European countries. Our model incorporates three groups of variables which could … firm, the second group measures different innovation activities and the third group describes the internationalisation of …