398
this, or that, or nothing different?’ and ‘Am I likely to be sufficiently better off, all
things considered, for it to be worthwhile doing this instead of that or doing nothing
different?’ The changes in the various measures are the policy options. Modelling
farm systems using the whole farm approach can be very useful, though farm
models can only be partial representations of reality, and the results need to be tempered by consideration of the unmeasurable aspects, not covered in the models.
Fig. 1 Map of the study area and villages
A. S. Ringheim et al.
this, or that, or nothing different?’ and ‘Am I likely to be sufficiently better off, all
things considered, for it to be worthwhile doing this instead of that or doing nothing
different?’ The changes in the various measures are the policy options. Modelling
farm systems using the whole farm approach can be very useful, though farm
models can only be partial representations of reality, and the results need to be tempered by consideration of the unmeasurable aspects, not covered in the models.
Fig. 1 Map of the study area and villages
A. S. Ringheim et al.