This study will endeavour to quantify the innovative and imitative aspects of copper-zinc adoption for chosen regions of the State of South Australia. This will be followed by attempts to ‘explain’ any observed inter-regional differences in the estimated adoption parameters. Chapter 2 will...

Prices of basic food staples and feed crops have soared in recent years, renewing concerns about the ability of global food supplies to meet the projected growth in aggregate demand. Notwithstanding these concerns, and apparently at odds with a vast body of economic evidence reporting...

Recent trends in farm productivity and food prices raise concerns about whether the era of global agricultural abundance is over. Agricultural R&D is a crucial determinant of agricultural productivity and production, and therefore food prices and poverty. In this paper we review past and present...