All of them. I think part of the problem is class, there's a psychological barrier in the UK that employees shouldn't earn more than managers. The other part

All of them. I think part of the problem is class, there's a psychological barrier in the UK that employees shouldn't earn more than managers. The other part of the lower pay is that we had a lot more people dabble with development in our school system in the 80s/90s because of the BBC programs and the Micro/Archimedes in schools which means we started running short of developers a lot later than other countries. Both of those are speculation, but that's my belief.