This paper surveys the empirical literature on the links between innovation, market structure and firm size. The review shows that there is little evidence in support of the Schumpeterian hypothesis that market power and large firms stimulate innovations: R&D spending seems to rise more or less...

Which level of government is most appropriate for environmental policy making in a confederal or federal system? How does the level of government at which policy is made and implemented affect the choice of policy instruments? This important new volume addresses these problems by comparing...