“…Contracted smallholders may benefit from higher and more stable prices, as well as better access to inputs, technology, and information (Berdegué et al, 2005;Sartorius and Kirsten, 2007;Blandon et al, 2009a;Barrett et al, 2012;Reardon and Timmer, 2014). Indeed, recent studies show that supermarket contracts have contributed to higher farm productivity and household welfare in some smallholder situations (Minten et al, 2009;Rao and Qaim, 2011;Rao et al, 2012;Michelson, 2013;Chege et al, 2015). However, some also show that smallholders are sometimes unable to participate in supermarket channels (Hernández et al, 2007;Neven et al, 2009), or they drop out of contracts for reasons that are not always entirely clear .…”