Motu is currently developing a dataset of production costs relating to different rural land uses, which we can use to help explain historical land-use trends at a Territorial Authority level. The Meat and Wool Economic Service farm survey provides a rich database containing physical and...

A number of decisions need to be made when setting up a nutrient trading system including defining a target, allocating allowances and setting up a monitoring system. To ensure that the nutrient trading system implemented operates in harmony with existing regulation, existing work and...

For a nutrient trading system to achieve the desired environmental outcome, or goal, this outcome needs to be translated into nutrient flows and allowances. To connect the nutrient loss provided for under the allowances with the environmental goal, a number of decisions need to be made. These...

This paper clarifies how the benefits and costs of water quality improvements in Lake Rotorua are likely to be shared in the absence of a trading system; presents different perspectives on and principles for deciding how costs should be allocated; and then shows how different options for initially...

Water quality in many New Zealand waterways is currently declining leading to lakes and rivers being closed for contact recreation such as swimming and potentially threatening our clean, green image. Much of this decline is associated with an increase in the nutrient loss from agriculture in the...

The eminent contributors (including Altshuler, Creedy, Freebairn, Gravelle, Heady, Kalb, Sørensen and Zodrow) investigate the beneficial directions for medium-term tax reform in the light of global developments and lessons from the latest taxation research. In addressing this issue, they review...

Water quality in Lake Rotorua has been declining for at least the last 30 years as increased levels of nutrients have entered the lake. Despite significant effort and expenditure, the level of nutrients entering the lake still exceeds sustainable levels. A nutrient trading system would help the...

A nutrient trading system is one mechanism that is currently being considered to control and reduce nutrient loss into Lake Rotorua. However this may not be the best mechanism for controlling nutrient loss from all sources. A more comprehensive system improves efficiency and decreases market...