“…This paper contributes to a large literature on the role of agriculture in economic development (e.g., Johnston and Mellor, 1961;Gollin, 2010). In particular, we add to a strand of this literature that studies the effects of specialization in particular products as a result of their distinctive features, e.g., returns to scale, seasonality or labor intensity (Engerman and Sokoloff, 1997;Sokoloff and Dollar, 1997;Eberhardt and Vollrath, 2016). We rekindle the staple theory of economic growth (Innis, 1930(Innis, , 1940 and the theory of linkages (Hirschman, 1958), examining various ways in which primary products can shape the process of growth and structural change.…”