This paper examines six different approaches to nutrient management, and simulates the economic costs and environmental impacts associated with them using NManager, a partial equilibrium simulation model developed by Motu and NIWA, the National Institute for Water and Atmospheric Research. We...

Risk (and often the certainty) of adverse environmental outcomes motivates environmental regulation; other risks also affect welfare outcomes. Economic instruments are one way to reduce environmental risk while maintaining flexibility that helps manage other risks. However regulation not only...

This paper provides an overview and early evaluation of the Lake Taupo nitrogen cap and trade programme, established as part of Waikato Regional Council's 2011 Regional Plan Variation Five. The policy establishes a catchment-wide cap on nitrogen losses by allocating farmers individual nitrogen...