1.12 Punting is arguably more popular in Cambridge and Oxford than in any other region of the United Kingdom. During the warmer seasons, it is common to see rivers filled with punts—a flat-bottomed boat, square at both ends, propelled by a long pole. Punting to Grantchester and back, with a lunch stop at a pleasant Grantchester pub, is a popular summer activity for Cambridge students. Taking into consideration that Cambridge and Oxford are more than a hundred kilometers away from any medium-sized or large cities, what might be an economic explanation for the popularity of punting in these university cities?