moungi bawendi, how would you answer that question? it's a very good question indeed.n, i think, between collaboration _ i and the individual, and you see thatl in research groups because everybody wants credit for having done - something and when it's a team effort, that's harder to do. so, i try to make sure that- i have an atmosphere in my group that's very collaborative, - that everybody gets included. but at the same time, _ it's also important that somebody feels that they're in charge i of something and they can go to other people for help. but they need to have — i they need to feel like this is their idea that they're pursuing, with the help of other people. - claudia? claudia goldin, economics laureate. you had the closest of collaborations, working with your husband, lawrence katz. so, i mean, what's it like working with somebody so close to you? is it more productive? well, the largest collaboration is a book that we have written called the race between education and technology, which is about economic inequality, and that was a collaboration that brought t