Wages have been spreading out across workers over time - or in other words, the 90th/50th wage ratio has risen over … calculations of productivity by skill level for the U.S., we show that the distributions of both wages and productivity have spread … exists, such that gains in aggregate productivity, or GDP per person, have resulted in higher wages for workers at the top …

correlates; and (c) the link between TVA and teacher wages. Teachers are highly effective in our setting: Moving a student from … between TVA and wages in the public sector (although there is in the private sector), and a policy change that shifted public … hiring from permanent to temporary contracts, reducing wages by 35 percent, had no adverse impact on TVA, either immediately …