That's inflation. 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.
Homefacts City Report. Emmaus is located in Lehigh County, PA. The population is 11,268, making Emmaus the 4th largest city in Lehigh County. There are 4 public schools in Emmaus with an average Homefacts rating of A-. The total crime rate for Emmaus is low, and there are 11 registered sex offenders residing in the city.
Located at 120 N. Third St., Emmaus, PA, the Borough of Emmaus, The County of Lehigh. This is a 6-Story building with 1-Bedroom apartments. Each apartment has a Living Room/Dining Area, Kitchen, Bedroom, and Bathroom. There is a Sitting Area and a coin-operated Laundry Room Located on the First Floor.