Millennials don’t differ from their parents all in much in their living and buying patterns: they still intend to settle down in a house in the suburbs. At least here, the much-vaunted “generational shifts” between the Boomers and Gen Y aren’t in evidence. But those concerned about the importance of density to economic growth needn’t worry. Millennials can keep moving to the suburbs in their thirties without removing themselves out of the “creative class” economy.