Research suggests that boys have a comparative advantage in math because they’re worse at reading than girls

In an earlier post, “Do Boys Have a Comparative Advantage in Math and Science?” I pointed to evidence showing that boys have a comparative advantage in math because they are much worse than girls at reading. (Boys do not have a large absolute advantage in math.) If people specialize in their personal comparative advantage this can easily lead to more boys than girls entering math training even if girls are equally or more talented. As I wrote earlier:
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