The literature identifies two trajectories for fostering and supporting innovation: the “orchestrated trajectory” induced by policy and the “opportunity trajectory” triggered by market signals. Brooks and Loevinsohn (2011) extends this framework by adding an “endogenous” trajectory which emerges in local contexts. Policies should aim to strengthen interactions among the various processes so as to ensure that innovation contributes simultaneously to poverty reduction, food security and environmental sustainability. Those objectives are not served if innovation is driven merely by profit motives, as is the case for most agricultural activities.