“…10 It contributes to the growing literature on the evolution of language (Pinker and Bloom, 1990;Christiansen and Kirby, 2003a,b;Bickerton, 2007), 10 Existing economic research predominantly views languages as an identifier of cultural and ethnic groups. Linguistic fractionalization as well as linguistic distance have been extensively used as a proxy for cultural fractionalization and cultural distance in the exploration of the effect of ethnic diversity on economic growth and the impact of cultural distance on the diffusion of development (Easterly and Levine, 1997;Fearon, 2003;Alesina et al, 2003;Alesina and Ferrara, 2005;Desmet et al, 2012;Harutyunyan andÖzak, 2016). In particular, Michalopoulos (2012) and Ashraf and Galor (2013a) explore the geographical origins (i.e., diversity of soil quality and migratory distance from Africa) of existing variation in linguistic fractionalization within a geographical region.…”