Want to know to what extent your multi-cultural colleagues really get on with one another? Consider for a moment whom they hang out with over lunch – whilst behavioural norms are reasonably well defined for how to behave in the workplace – people tend to ‘switch off’ on their lunch hour – hanging out with people with the same cultural, food and language preferences. It takes effort do otherwise, something that in part implies a degree of respect.

That’s not to say that this kind of voluntary segregation is negative – it probably contributes to the ‘recharging’ process – particularly for people who spend most of t