This study employs spatial analysis to examine the impact of smallholder fertilizer subsidies on national and household food security in Malawi. It illustrates that at national level, food security is positively linked to fertilizer subsidies. However, at household level, maize production is...

Deforestation arising from conversion of forest areas into agriculture is a serious problem in Malawi. Cultivation of subsistence and cash crops is often cited as a major cause of this problem. This paper applies the von Thunen model to firstly, discuss competition for agricultural land and...

In environmental valuation studies with stated preference methods, researchers often provide descriptions of status quo conditions which may differ from those perceived by respondents. Ignoring this difference in utility baselines may affect the magnitude of utility changes and hence bias the...

The New Zealand Biotechnology sector is worthy of study for several reasons. While there is a large and growing international literature on economic aspects of biotechnology innovation these studies concentrate on the United States and Europe. The New Zealand biotechnology sector may be expected...

The future of the Hurunui River and its catchment has been hotly contested between those who seek to store and/or divert water from the river in order to increase agricultural production and those who would like to see the river undeveloped and the quality of natural resources in the river and...

Water pollution is now considered to be one of the most important environmental issues facing New Zealand. Water quality in rivers, lakes and streams is generally falling alongside the increase in farming intensity. Currently, technical and regulatory mechanisms to reduce non-point source...

While there is a large and growing international literature on economic aspects of biotechnology innovation (e.g. work by Carlsson, McKelvey, Orsenigo, Zucker and Darby) these studies concentrate on the United States and Europe. The New Zealand biotechnology industry may be expected to develop...

The New Zealand Government has indicated a strong interest in fostering innovation and aims to concentrate on selected areas where New Zealand may be able to develop a new comparative advantage. One such area is biotechnology, which would build on New Zealand's existing comparative advantage in...

This paper provides a detailed description of the New Zealand biotechnology sector based on a re-analysis of the first comprehensive (1998/99) survey of biotechnology in New Zealand, data from an original (2002) survey conducted by the author and a detailed review of secondary sources. It...

Policy makers worldwide are interested in the identification of cost-effective policy instruments to reduce diffuse pollution. A large economic model representing heterogeneous farms is used to evaluate a broad set of policies for reducing nitrate regulation within a large catchment dominated by...