This volume reviews the experience of cooperation in five international river basins, focusing on the perceptions of risks and opportunities by decision makers in countries responding to a specific prospect of cooperation. For each basin, the analysis centered on tipping points, or periods in time when policymakers in the countries involved were faced with a critical decision concerning water cooperation. This study was inspired, in part, by the intensified involvement of the World Bank and development partners in shared international waters, resulting in a growing interest to better understand the political economy surrounding regional cooperation deals over water. While the associated economic benefits and costs of cooperation are generally well analyzed, the perceptions of decision makers regarding political risks and opportunities have been much less explored. Responding to this knowledge gap, this study looked at the political dimension of cooperation over international waters,...