Lefties earn more than right counterparts in France (13 000 people investigated) and in Uzbekstan (917 people DATA), ex-soviet socialist republic in Central Asia.
Faurie, 2008 Socio-economic status and handedness in two large... in pdf, find in google if want to read
''Salary and left-handedness in France, Sampling Frequency 13 000 people stubs is significantly higher: (1) among women with a higher educational level, (2) between the categories of higher income, and (3) among individuals who have a position higher incidence in the company of left-handedness was found to be very high in some groups, such as artists and musicians (Peterson, 1979; Quinan, 1922), mathematical (Annett & Manning, 1990; Peters, 1991), and competitors of the sport (Raymond et al. 1996).''
http://www.evolutionhumaine.fr/pdf_arti ... _behav.pdf
Conclusion
''An economic advantage associated with left-handedness
has been detected in an urban population in Uzbekistan. This
result is consistent with previous findings in Western
countries, suggesting that left-handers could persist in
human population through frequency-dependent selection
influenced by socioeconomic status.''
07 Oct 2013, 4:04 pm
