[cperciva]

I don't think job hopping is due to being self centred (in the pejorative sense).

I didn't mean it in the pejorative sense -- just that in Canada I hear people say they're staying in jobs they don't like because they don't want to "let down" their friends who are working at the same company... and I don't think I've ever heard that from people working in the US (startup co-founders excepted).

[rogerbinns]

I worked for several years for a company just outside Silicon Valley where people said they stayed because they liked their colleagues so much, but otherwise would have left. Two anecdotes don't make data :-)