Economic Impacts

Economic Impacts

Any plans we have to protect the quality of our water need to ensure that it promotes a vibrant community. We have commissioned various economic analysis and reports to see what the impact will be for landowners and the wider region.

Report title 




On-farm effects of diverse allocation mechanisms in the Lake Rotorua catchment


Oliver Parsons, Graeme Doole and Alvaro Romera

Using representative farms from the Lake Rotorua catchment, this analysis estimates the profitability, productivity and land use change impacts of alternative nitrogen allocation methods on pastoral farming in the catchment. 

Appendices 1-4 - Input information

Appendix 5 - farm model method

Appendix 6 - optimisation model


Economic impacts of Rotorua nitrogen reduction. District, regional and national evaluation

Market Economics Limited

Based on the on-farm effects of alternative allocation methods (Parsons et al. 2015), this analysis estimates the impact of the proposed rules and incentives on the district, regional and national economies. 


Land values in the Rotorua area and Lake Rotorua catchment

Martyn Craven, Telfer Young (Rotorua) Limited

Using sales data and expert judgement, Telfer Young estimate the average size of changes in the property values resulting from the proposed nitrogen rules.  Drystock, dairy and lifestyle property values assessed. 


Rotorua NDA Impact Analysis

Perrin Ag Consultants Limited

Report on the impact that NDAs may have on farm profitability.


Update of the 2014 NDA Impact Analysis

Perrin Ag Consultants Limited

An update of the original report on the impact that NDAs may have on farm profitability.