People with higher IQs are more likely to make good choices when it comes to different types of economic decisions, says a new study.
The study by researchers from the University of Minnesota's Twin Cities and Morris campuses was conducted on 1,000 trainee truck drivers at Schneider National, Inc., an American motor carrier employing 20,000.
AdvertisementFor the study, the researchers measured the trainees' cognitive skills and asked them to make choices in several economic experiments, and then followed them on the job.
It was found that people with better cognitive skills, in particular higher IQ, were more willing to take calculated risks and to save their money and made more consistent choices.
Also, such people were more likely to be cooperative in a strategic situation, and exhibited higher "social awareness" in that they more accurately forecasted others' behaviour.
Also, they tracked how trainees persevered on their new job.
The company paid for the training of those who stayed a year, but those who left early owed thousands in training costs.
The study found that those with the highest level of cognitive ability stayed at twice the rate of those with the lowest.
The finding that individual characteristics that improve economic success-patience, risk taking and effective social behaviour-all cluster together and are linked through cognitive skill, which could have implications for policy making and education.
These results could shed light on the causes of differential economic success among individuals and among nations," said University of Minnesota-Twin Cities economist Aldo Rustichini, a co-author of the study.
"It also suggests that the benefit from early childhood education programs not only affects cognitive skills, but extends to more effective economic decision-making," said study co-author Stephen Burks.
The study will be published online in the Proceedings of the National Academy of Sciences.
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