The aim of this book is to document, on a solid and convincing foundation, two public policy mistakes of the United States Government that have been extremely costly. First, the failure to combine stocks with long-term government bonds in the Social Security Trust Fund, the way other nations do,...

The optimal control problem of determining advertising efforts for a seasonal good in a heterogeneous market is considered. We characterize optimal advertising exposures under different conditions: the general situation in which several wide-spectrum media are available, under the assumption of...

The network choice revenue management problem models customers as choosing from an offerset, and the firm decides the best subset to offer at any given moment to maximize expected revenue. The resulting dynamic program for the firm is intractable and approximated by a deterministic linear...

A fundamental decision every merchant has to make is on is how large his stores should be. This is particularly true in light of the drastic changes retail concepts have seen in the last decade. There has been a noticeable tendency, particularly for food and convenience retailers, to open more...

Because of the heavy competition and uncertainty in market conditions, attainment of complete and certain information flow becomes harder for businesses. In such environments, decision making with fuzzy data is rather important. Problems’ structures in practice are usually complicated and they...

We analyze a case study and we model it as a variant of the Traveling Salesman Problem. It is characterized by multiple time windows, variable service duration, priority constraints, and appointments with customers. The definition of the feasible region differs from the classical one: a maximum...

November 2006 most likely marks the launch of Sony’s PS3, the successor to PS2. Later, Nintendo is expected to launch the Wii, the successor to the GameCube. We answer the question in the title by analyzing the diffusion of the earlier generations of these consoles, and by using a new model...