for instance if more open trade raises food availability in importing countries this may reduce incomes for net food sellers and specific measures may therefore be required to help negativelyaffected households and prevent hardship brooks and matthews within the individual scenario in particular which by default is characterised by a lack of international cooperation little focus on coherent food regulations and hence comparatively high trade costs a reduction of regulatory heterogeneity could increase average farm incomes in south and central america by around by brazil is found to increase average farm incomes by about in that scenario demonstrating its prominent role as an agricultural exporter