consideration must be given to whether separate implementation strategies are necessary for the policy to be effective for each relevant group although employed to various degrees in a majority of oecd countries including finland switzerland sweden new zealand turkey the united kingdom and korea gias have yet to become routine steps in public policy making examples of cases with highest proven record of gia implementation include catalonia where gia is fully legislated gias performed in and sweden where gias have not been regulated and are being carried out with different methodologies and at all levels boman ongoing challenges related to methodological concerns lack of expertise to conduct such assessments and the absence of precise guidelines remain ibid within the private sector however comparable gender analyses have a long history of providing information to corporations related to purchasing practices and service preferences of men and women consumers