i cannot exactly imagine private bridges, if you have a private bridge ownerth its not inefficient for the private general to charge with the marketable bear. Because the efficiency of the information conveyed by prices has to be welled. A potential bridge t others has to be weighed against the inefficiency of dissuading at the margin, some people who should cross the bridge from from crossing the bridge. And what about the lighthouse? Which, i have to say, when i read it in gradual school, i thought it was, iithink tw's proably my favorite paper in many ways, because it's so simple. It's a little historical episode, and a, it's eye opening.