In 1975, less than 40 percent of teachers held a master's degree. By 1990, the comparable figure was about 53 percent. Compared to Selected White Collar Occupations. The salary figures in Table II-5 are the average of all people in the particular job category. Some of the decline in earnings in other occupations relative to teachers can be traced to changes in the sample design in 1986 and 1989 that incorporated smaller firms into the sample.
Small firms pay lower wages on average.
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