Understanding ethnolinguistic differences: The roles of geography and trade

The Economic Journal Vol/Iss. ueab065 Oxford University Press Published In Pages: 1-28
By Dickens, Andrew


High land productivity variation will be associated with less language difference between neighboring ethnic groups.


The author replicated the test with a “sibling-sample estimate” to account for language differences between ancestral relationships (vertical transmission of language). The results remained significant (p<.01, b= -.188 to -.088).


Test NameSupportSignificanceCoefficientTail
Multiple regressionSupportedp<.01post-1500: b=-.100; pre-1500: b= -.061UNKNOWN