Don't know whether high total compensation of programmers at some elite companies and locations is a bubble or not, but interested in flip side of question: how

Don't know whether high total compensation of programmers at some elite companies and locations is a bubble or not, but interested in flip side of question: how has and how will it spread? Have any of the many efforts to copy Silicon Valley included a systematic effort to increase the compensation of programmers in the Silicon _ region? Perhaps through a combination of jawboning by boosters and leading employers or investors making a bet that large increases in programmer compensation will pay off?