this has led to a world fishery that is characterized by falling productivity economic inefficiency and stagnant incomes for fishers recent work by the world bank indicates that the economic benefits from rebuilding and effectively managing fisheries are substantial estimated at around usd billion a year world bankfao in particular at the world summit on sustainable development wssd in governments committed to an ambitious goal of rebuilding fish stocks to levels that can produce the maximum sustainable yield by recognizing that rebuilding international fish stocks must occur within a cooperative governance framework the un fish stocks agreement unfsa december has enabled rfmos to address the overfishing of straddling and highly migratory stocks fished primarily on the high seas the primary motivation for the oecd work on the economics rebuilding fisheries stems from a recognition that policy makers need to not only ensure that rebuilding paths are scientifically wellfounded and achievable but also that the programs are costeffective and efficient in achieving their objectives this requires the integration of a broader amount of economic information in decision making processes than is generally the case in many oecd countries