A Response to Doole and Marsh ([Doole, G., 2013]) Article: Methodological Limitations in the Evaluation of Policies to Reduce Nitrate Leaching from New Zealand Agriculture

10 Pages Posted: 3 Apr 2014

Date Written: April 2014

Abstract

A recent paper by Doole and Marsh (2013), questioned the validity of using the New Zealand Forest and Agriculture Regional Model (NZFARM) for New Zealand agri‐environmental policy analysis. We respond to their critique by clearly describing the model structure, explaining the NZFARM parameterisation, calibration, and validation procedure, and presenting estimates from a series of nutrient reduction policy scenarios to highlight the utility of the model. In doing so, we demonstrate that NZFARM generates logical and intuitive results that can be used for robust agri‐environmental policy decision‐making.

Keywords: agri‐environmental policy assessment, calibration, land‐use modelling, nonpoint source pollution, validation

Suggested Citation

Daigneault, Adam and Greenhalgh, Suzie and Samarasinghe, Oshadhi, A Response to Doole and Marsh ([Doole, G., 2013]) Article: Methodological Limitations in the Evaluation of Policies to Reduce Nitrate Leaching from New Zealand Agriculture (April 2014). Australian Journal of Agricultural and Resource Economics, Vol. 58, Issue 2, pp. 281-290, 2014, Available at SSRN: https://ssrn.com/abstract=2419756 or http://dx.doi.org/10.1111/1467-8489.12051

Adam Daigneault (Contact Author)

Landcare Research ( email )

Private Bag 92170 Auckland Mail Centre
Aukland, 1142
New Zealand

Suzie Greenhalgh

Landcare Research

Private Bag 92170 Auckland Mail Centre
Aukland, 1142
New Zealand

Oshadhi Samarasinghe

Landcare Research

Private Bag 92170 Auckland Mail Centre
Aukland, 1142
New Zealand

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