Policy design is also important, with policies that advantage existing firms or directly influence technology choice more likely to affect competition and entry. Further assessments of the competitiveness impacts of environmental policy, and greater development of the micro-data required for such studies, would also be useful. Such analyses could inform adjustments to policy design, the development of complementary policies or the pursuit of greater international harmonisation. It can underscore the importance of governments integrating longer-term perspectives that factor in interactions between the environment and economy when developing policy tools.