This paper puts forward a method to estimate average economic growth, andits associated confidence bounds, which does not require a formal decision onpotential unit root properties. The method is based on the analysis of eitherdifference-stationary or trend-stationary time series models,...

Anytime an individual makes a cash payment, s/he needs to think about theamount to be paid, the coins and notes which are available, and the amount ofchange. For central banks and retail stores, for example, it is of interest to un-derstand how this individual choice process works. The...