Question: What needs to happen so that we will have no companies “too big to fail”? Paul Solman: Come up with incentives that induce big companies to slim down, or disincentives that punish them if they don’t. What’s startling…

Editor’s note: From time to time, we get questions here at the Business Desk that feel designed for our frequent guest blogger Robert Frank, author of The Economic Naturalist: Why Economics Explains Almost Everything. Today, we’re happily…