The social sciencessocial sciences have had a continuing debatedebates over the explanation of phenomena by structure or by agency. Most contemporary social sciencesocial sciences is based on agency, with the behaviorbehavior of individualsindividual (whether assumed to be driven by social or psychological attributes, or by utility maximization) dominating theoretical development (Hay, Political Analysis: A Critical Introduction, Palgrave, Basingstoke, 2002). That said, the resurgence of institutional explanations has forced greater consideration of structural factors and the role that organizationsorganization and institutionsinstitution play in shaping decisionsdecision.