The Rising Postgraduate Wage Premium
研究发现，美国研究生工资溢价随时间显著上升，反映了对其技能和职业地位的相对需求增加，这是大学毕业生群体内工资不平等加剧的关键因素。
Despite post‐college degree holders now making up nearly 15% of the US adult workforce, studies of their labour market performance remain sparse. This is surprising given that they are the most educated group in the labour force and as, over time, they have done significantly better than all other education groups. We show a significant rise over time in the postgraduate wage premium, reflecting an increased relative demand due to their superior skill sets and occupational status. The increase in the demand for postgraduates is a key factor behind rising wage inequality within the increasingly heterogeneous college graduate workforce.