“…While the spending gap between rich and poor countries widened steadily from 1980 until 2011, low-income countries failed to align with growth of other parts in the globe, such that their share of global public expenses diminishes dramatically over the past half century in agricultural research and extension services (Pardey et al, 2018). The association of dysfunctional agricultural extension systems and low levels of technical e ciencies in low-income countries has been extensively reported by the developing and agricultural economics literature (Anderson and Feder, 2004, Birkhaeuser et al, 1991, Rivera, 2001, Rivera et al, 2002, Swanson, 2006b.…”