The document discusses the roles of the state and private sector in health policy and agenda setting. It outlines several ways that states may regulate health issues like family planning and medical practices. The main justifications for state involvement are market failure, information asymmetry, uncertain healthcare costs, and achieving equity. The document also discusses how neo-liberal economic theories have influenced greater private sector involvement and reduced state roles. Private sector actors like industry groups lobby governments and influence policy agendas through various regulatory and agenda-setting strategies.