Answering my own question, but this Quora thread contains some good answers:<p><a href="https:&#x2F;&#x2F;www.quora.com&#x2F;Why-is-the-salary-of-software-engineering-jobs-in-the-US-double-that-in-the-UK" rel="nofollow">https:&#x2F;&#x2F;www.quora.com&#x2F;Why-is-the-salary-of-software-engineer...</a>