The Bullwhip Effect, defined as the magnification of demand variability throughout the supply chain, poses a challenge to many firms. One of its contributing factors is inaccurate forecasts used to support demand planning. Forecast errors translate into higher inventory costs at a local level,...

Many studies have pointed to the possibility of substantial benefits from collaboration among supply-chain partners, including information sharing - one form of which is the sharing of forecast information (FIS). In this article, Mohammad Ali and John Boylan report the substantial and specific...

This paper addresses aggregation in integer autoregressive moving average (INARMA) models. Although aggregation in continuous-valued time series has been widely discussed, the same is not true for integer-valued time series. Forecast horizon aggregation is addressed in this paper. It is shown...