States are part of countries, and countries may be grouped by other areas, like continents, hemispheres, or a political or economic body. The US is also commonly referred to in three distinct ways: as ...

The largest country in North America by land area is Canada, although the United States of America (USA) has the largest population. It is very cold in the north, near the Arctic Circle and it is ...

List of States in USA: The United States of America is a country situated in the North American continent. It is the fourth largest country in the world as per the area covered. There are 50 ...

We study the causes of “nutritional inequality”: why the wealthy eat more healthfully than the poor in the United States. Exploiting supermarket entry, household moves to healthier neighborhoods, and ...

Greenstein, Shane. "The Economic Geography of Internet Infrastructure in the United States." Chap. 8 in Handbook of Telecommunications Economics, Volume 2: Technology Evolution and the Internet, ...