This paper proposes an approach to analyzing demand scenarios in technology
-driven markets where product demands are volatile, but follow a few identi
fiable lifecycle patterns, After examining a large amount of semiconductor
data, we found that not only can products be clustered by lifecycle pattern
s, but in each cluster there exists a leading indicator product that provid
es advanced indication of changes in demand trends, Motivated by this findi
ng, we propose a scenario analysis structure in the context of stochastic p
rogramming. Specifically, the demand model that results from this approach
provides a mechanism for building a scenario tree for semiconductor demand,
Using the Bass growth model and a Bayesian update structure, the approach
streamlines scenario analysis by focusing on parametric changes of the dema
nd growth model over time, The Bayesian structure allows expert judgment to
be incorporated into scenario generation while the Bass growth model allow
s an efficient representation of time varying demands. Further, by adjustin
g a likelihood threshold, the method generates scenario trees of different
sizes and accuracy, This structure provides a practical scenario analysis m
ethod for manufacturing demand in a technology market. We demonstrate the a
pplicability of this method using real semiconductor data.