Investigating Syndrome Dynamics:
The Sahel Syndrome in NE-Brazil - A Qualitative Model
Choices amongst livelihood and management options:
qoff-farm vs. on-farm labour
qconsumption vs. investment in resource quality
Interaction of these choices with resource quality:
qoveruse of resource resulting in degradation and potential
   yield losses
qincome-dependent possibility of resource improvement
Socio-econimc and natural conditions:
qproducer prices, existence and accessibility of good land
qwages, existence and accessibility of off-farm labour