Minneapolis/St. Paul, because of its history of health maintenance organization development and active employer participation in the health care arena, is often cited as a community in which managed competition has been tested to some degree. This paper reviews the historical development of the Twin Cities health care market and summarizes findings from past studies of this market. It also desc...

Some archaeologists have suggested recently that clusters of houses at Classic Maya sites functioned as urban neighborhoods. This article presents comparative historical and ethnographic data from low-density cities to support this interpretation. I review two Mesoamerican cases: the Aztec calpolli and the modern Tzotzil house cluster; and urban clusters in two African cases: the Nupe city of B...

Re-creation of the extent of urban land use at different periods in time is valuable for examining how cities grow and how policy changes influence urban dynamics. To date, there has been little focus on the modeling of historical urban extent (other than for ancient cities). Instead, current modeling research has emphasized simulating the cities of the future. Predictive models can provide ins...