In multi-period farm planning problems involving uncertainty, the usual case in the real world, planning must involve a continuous process of re-evaluation. In this dynamic situation it is necessary to know the number of periods to include in the decision model to ensure optimality. This is...

From being an insignificant buyer of Australian wool at the start of the 1980s, China had emerged as Australia's major, if somewhat erratic, customer by the 1992/93 season. Continued development of Sino-Australian trade in wool is vital to the future of the Australian wool-growing industry. This...