Subject(s): Environmental policy -- Natural Resources -- BUSINESS & ECONOMICS -- Environmental Economics -- Green Business -- Policy evaluation and environmental policy -- Problems and limitations of environmental policy evaluation : Complexity and complexity reduction, data availability and data appropriateness, timeframe, spatial dimension and level of analysis, case studies and level of representation, impact of evaluations and positions of evaluator -- Approaches to environmental policy evaluation : Needs analysis, program theory evaluation, experiment and quasi experiment, formulative/ developmental evaluation, goal free evaluation, impact assessment, cost effectiveness analysis and cost benefit analysis, log frame method/ logical framework approach, multi criteria analysis, realistic evaluation -- Approaches for designing evaluation research : Advocate - adversary evaluation, context, input, process and product evaluation - CIPP model, connoisseurship and criticism, constructive evaluation, deliberative democratic evaluation, empowerment valuation, evaluability assessment, meta- evaluation and meta analysis, mixed method valuation, responsive evaluation, utilization focused evaluation