This paper examines changes in the distribution of wages using bounds to allow for the impact of non-random selection into work. We show that bounds constructed without any economic or statistical assumptions can be informative. However, since employment rates in the UK are often low they are...

We analyze the change in the urban wage premium over the last 60 years. We focus on differences by gender and skill levels, with an emphasis on changes throughout the earnings distribution. We assess the importance of both changing selection into urban areas, as well as the importance of shifts...