School assignment in Boston and New York City came to national attention in the 1970s as courts across the country … tried to integrate schools. Today, district-wide choice allows Boston and New York students to enroll far from home, perhaps …, and college enrollment using an identification strategy that exploits partly-random assignment in the Boston and New York …

detailed information on Boston's nineteenth-century global ice trade, we show that ice(berg) transport costs in practice were a …