My father was a lefty, converted to write right, but ate left, which can cause seating complications for group dining. The subject's always been of interest to me.
There's new research out, here at NBER: "We examine whether handedness is related to performance in the labor market and, in particular, earnings. We find a significant wage effect for left-handed men with high levels of education. This positive wage effect is strongest among those who have lower than average earnings relative to those of similar high education". The Wash Post covers the story here.
Tyler Cowen comments here, Dan Drezner comments here.
The subject of handedness has been covered in a fascinating award-winning book--see the web site--Right Hand, Left Hand. The author covers the varieties of leftyism, tying in everything from genetics, fetal development, the road systems in European countries and the process of developing a nation (which side of the road do you drive on) to the structure of the universe (how do you determine what's left and what's right).
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