The network structure of cultural distances
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This paper proposes a novel measure of cultural distances between countries. Making use of the information coming from the World Value Survey (Wave 6), and considering the interdependence among cultural traits, the paper proposes a methodology to define the cultural distance between countries, that takes into account the network structure of national cultural traits. Exploiting the possibilities offered by Copula graphical models for ordinal and categorical data, the paper infers the network structure of 54 countries and proposes a new summary measure of national cultural distances. The DBRV Cultural Distance index shows that, as for 2010-2014, compared to Inglehart and Welzel (2005) the world appears to be more culturally heterogeneous than what it was previously thought.
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