Demand for a new product is often highly uncertain. As the developer of a new product, the manufacturer may reduce the uncertainty of the product's demand through observing progress in his product development process or receiving demand signals directly from customers. This paper first shows...

This paper provides a general framework to model the evolutions of forecasts generated by multiple decision makers who forecast demand for the same product. We also model the evolutions of forecasts when decision makers have asymmetric demand information and refer to it as the Martingale Model...