The Lewis Model explains world cultures through language.

The Lewis Model explains world cultures through language.: A world traveler who speaks ten languages, British linguist Richard Lewis decided he was qualified to plot the world's cultures on a chart.

Many people think he nailed it, as his book "When Cultures Collide," now in its third edition, has sold more than one million copies since it was first published in 1996 and was called "an authoritative roadmap to navigating the world's economy," by the Wall Street Journal.

Lewis plots countries in relation to three categories:

What drives women out of entrepreneurship? The joint role of testosterone and culture | vox - Research-based policy analysis and commentary from leading economists

What drives women out of entrepreneurship? The joint role of testosterone and culture | vox - Research-based policy analysis and commentary from leading economists: "Why are women so under-represented among entrepreneurs? Are women intrinsically ill-suited to the risk-taking and competition of entrepreneurship? Or is it social norms that impede them? The authors of CEPR DP8204 test these theories and argue that sexist culture keeps even high-ability women from becoming entrepreneurs."