Inflation is when a certain form of currency starts to have less value over time. Mainly two things cause it: people's perception of value, and the economic principle of supply and demand. We have already examined some of the ways that people's perceptions of a currency's value can affect its value.
Historic American Buildings Survey, Creator. Logging Camp, Ely, St. Louis County, MN. Documentation Compiled After, 1933.
From Wikipedia, the free encyclopedia. Polk County is a county located in the U.S. state of Minnesota. The population was 31,600 at the 2010 census. Its county seat is Crookston, and the largest community is East Grand Forks. Polk County is included in the Grand Forks, ND-MN Metropolitan Statistical Area.