Guam is an island in the Western Pacific Ocean. Latitude/Longitude 13º 30n, 144º 48E.
Guam lies between 13.2°N and 13.7°N and between 144.6°E and 145.0°E, and has an area of 212 square miles...
No one specifically decides these things in a market economy - at least not on a general level. A market operates as the summation of individual actions and choices which create a series of prices...