While the suburbs of most metropolitan areas are wealthier than their urban counterparts, rapid regional growth can improve the welfare of both city and suburb, according to a new book from Janet Rothenberg Pack.

While the suburbs of most metropolitan areas are wealthier than their urban counterparts, rapid regional growth can improve the welfare of both city and suburb, according to a new book from Janet Rothenberg Pack. In "Growth and Convergence in Metropolitan America," Pack identifies growth trends that have contributed to the convergence of welfare among regions.