Postgraduate premium shows


significant rise


The gap between the salaries of workers with postgraduate degrees and those holding only undergraduate degrees has grown significantly, a study has shown. In a discussion paper for the London School of Economics’ Centre for Economic Performance, Stephen Machin, the centre’s research director, and Joanne Lindley, senior lecturer in economics at the University of Surrey, report that the differential between the average wage earned by UK workers with a postgraduate degree and those with an undergraduate degree rose from 6 per cent in 1996 to 13 per cent in 2009.


In the US, the differential rose from 14 per cent in 1980 to just over 30 per cent in 2009. In both countries, the rise was larger for those with doctorates than for those with master’s degrees.


The paper, Rising Wage Inequality and Postgraduate Education, says the differential grew despite the fact that in both countries, the proportion of the workforce with postgraduate degrees increased more


10


quickly than the proportion with


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