The effect of living in a less urban area on the probability of being happy is estimated. It is shown that less urban areas are associated with higher levels of happiness. Further, it is shown that respondents in the north region are less happy. Data from the National Opinion Research Center's...

The effect of cognitive ability as indicated by a vocabulary test score on earnings by teachers and selected other occupations is estimated. Although test scores increase earnings for non-teacher occupations, the effect of test scores on teacher earnings is zero.