This paper is based on the assumptions that world oil resources are finite and that world oil production will peak sometime in the 1980s or 1990s (Hughes & Mesarovic 1978 : 139). Such a scenario is now widely accepted ...

This paper sets out the available information on price trends facing the dairy industry since 1948/49, and some estimates of productivity increases over the same period. The general aim of the paper is to ascertain how the ...

In this paper we are concerned with some economic aspects of the use of artificial nitrogen fertilisers in New Zealand agriculture. With the prospect of much cheaper nitrogen fertiliser in the future (and possibly more ...