LITE UPSIZES of capital resources are frequently nonchalantly said to "expand," this ought not be mistaken for expansion as a characterized term; a more precise depiction for an expansion in the worth of a capital resource is appreciation. The FBI (CCI), the Producer Price Index, and Employment Cost Index (ECI) are instances of restricted cost lists used to quantify cost expansion specifically areas of the economy. Center expansion is a proportion of expansion for a subset of purchaser costs that bars food and energy costs, which rise and fall more than different costs for the time being. The Federal Reserve Board gives specific consideration to the center expansion rate to get a superior gauge of long haul future expansion patterns overall.[36]