similarly the use of cluster and supply chain development policies is limited and the idea of using usstyle challenge funding to encourage the attainment of specific social and technological goals hicks is not applied finally there appears to be little use of regulations or norms as ways to stimulate innovation adopting the thirdgeneration societal challenge approach discussed previously would necessitate the use of some of these demandside instruments in the context of a common programme affecting demand as well as supply leaving that possibility aside however there is clearly space to explore innovation policy opportunities on the demand side in order to complement the weight of existing activity on the supply side