General environmental policy: Public goods, Common pool resources and institutions, Theoretically optimal policy instruments (Coase, Pigou); pragmatic policy instruments (with real world examples):environmental liability, command and control approaches, taxes, subsidies, emission trading; Asymetric information and incentive compatible instruments; eco-tax and double dividend;
Agricultural environmental policy: Property rights, taxes and agri-environmental measures (AEM), performance based AEM, auctions in AEM; influences from other sectors on agri-environmental policy implications.